Trigonometry With General Triangles Assessment Test

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  • 1/10 Questions

    Which side is the longest side of the right angle triangle?

    • Adjacent
    • Angle
    • Opposite
    • Hypotenuse
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About This Quiz

Take this assessment test to evaluate your knowledge of trigonometry with general triangles. What are sine, cosine, and tangent? How can we use them to solve for unknown sides and angles in general triangles?

Trigonometry With General Triangles Assessment Test - Quiz

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  • 2. 
    When the 3rd angle of an isosceles triangle is a right angle, it is called...  - ProProfs

    When the 3rd angle of an isosceles triangle is a right angle, it is called... 

    • Trapezium

    • Angular

    • Real angle

    • Right isosceles triangle

    Correct Answer
    A. Right isosceles triangle
    Explanation
    When the 3rd angle of an isosceles triangle is a right angle, it is called a right isosceles triangle because it has two equal sides and one right angle. In a right isosceles triangle, the two equal sides are the legs, and the right angle is formed by the intersection of the legs. This type of triangle is special because it combines the properties of both a right triangle and an isosceles triangle.

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  • 3. 
    What can be used to test whether a triangle has a right angle? - ProProfs

    What can be used to test whether a triangle has a right angle?

    • Pythagorean Theorem

    • Set theory

    • Square combination

    • Compass rule

    Correct Answer
    A. Pythagorean Theorem
    Explanation
    The Pythagorean theorem can be used to test whether a triangle has a right angle. According to the theorem, in a right-angled triangle, the square of the length of the hypotenuse (the side opposite the right angle) is equal to the sum of the squares of the other two sides. By applying this theorem, one can determine if a triangle has a right angle by checking if the lengths of the sides satisfy this relationship.

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  • 4. 
    What is the area of a triangle? - ProProfs

    What is the area of a triangle?

    • BH

    • 2bh

    • 1/2bh

    • BBB

    Correct Answer
    A. 1/2bh
    Explanation
    The correct answer is 1/2bh. The formula for finding the area of a triangle is 1/2 times the base (b) times the height (h). This formula is derived from the fact that a triangle can be divided into two equal right triangles, and the area of a right triangle is 1/2 times the base times the height. Therefore, to find the area of any triangle, we can use the formula 1/2bh.

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  • 5. 
    What can be used to find all the missing angles of a triangle? - ProProfs

    What can be used to find all the missing angles of a triangle?

    • Graph

    • Protractor

    • Law of cosine

    • Compass

    Correct Answer
    A. Law of cosine
    Explanation
    The Law of Cosines is a mathematical formula that can be used to find missing angles in a triangle. It relates the lengths of the sides of a triangle to the cosine of one of its angles. By knowing the lengths of two sides and the included angle, or the lengths of all three sides, the Law of Cosines can be used to calculate the missing angles. This makes it a useful tool for solving triangle problems involving missing angles.

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  • 6. 
    The unequal side of an isosceles triangle is referred to as...  - ProProfs

    The unequal side of an isosceles triangle is referred to as... 

    • Base

    • Hypotenuse

    • Angle

    • Line

    Correct Answer
    A. Base
    Explanation
    In an isosceles triangle, two sides are equal in length, while the third side, which is different in length, is called the base. Therefore, the correct answer is "Base".

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  • 7. 
    When two sides and an angle opposite one of them are known, it is called...  - ProProfs

    When two sides and an angle opposite one of them are known, it is called... 

    • Ambiguous case

    • Retard Case

    • Right angle

    • Trapezium

    Correct Answer
    A. Ambiguous case
    Explanation
    When two sides and an angle opposite one of them are known, it is called the ambiguous case. This means that there can be more than one possible solution for the triangle. In this case, additional information is needed to determine a unique triangle.

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  • 8. 
    A perpendicular distance from the base of an isosceles triangle to the topmost vertex is called... - ProProfs

    A perpendicular distance from the base of an isosceles triangle to the topmost vertex is called...

    • Altitude

    • Width

    • Breadth

    • Height

    Correct Answer
    A. Altitude
    Explanation
    The perpendicular distance from the base of an isosceles triangle to the topmost vertex is called the altitude.

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  • 9. 
    The sum of any 2 sides of a triangle must be greater than the measure of the third side is a postulate of...  - ProProfs

    The sum of any 2 sides of a triangle must be greater than the measure of the third side is a postulate of... 

    • Triangle Inequality Theorem

    • Pythagorean theorem

    • Triangle theorem

    • Line Law

    Correct Answer
    A. Triangle Inequality Theorem
    Explanation
    The Triangle Inequality Theorem states that the sum of any two sides of a triangle must be greater than the measure of the third side. This is a fundamental postulate in geometry that helps determine if a given set of side lengths can form a valid triangle. It is used to ensure that the triangle's sides do not overlap or form a straight line, which would not create a triangle. Therefore, the correct answer is Triangle Inequality Theorem.

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  • 10. 
    What can be used to find the length of a side or size of an angle? - ProProfs

    What can be used to find the length of a side or size of an angle?

    • Cosine rule

    • Since rule

    • Tan rule

    • Angles rule

    Correct Answer
    A. Cosine rule
    Explanation
    The cosine rule can be used to find the length of a side or the size of an angle in a triangle. It relates the lengths of the sides of a triangle to the cosine of one of its angles. By rearranging the formula, we can solve for the length of a side or the size of an angle when the other values are known. This rule is particularly useful when dealing with non-right angled triangles.

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  • Aug 07, 2024
    Quiz Edited by
    ProProfs Editorial Team
  • Dec 20, 2017
    Quiz Created by
    Cripstwick
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