1.
اختر الإجابة الصحيحة من بين الإجابات المعطاة : القطران متساويان في الطول ومتعامدان في ...............
Correct Answer
D. المربع
Explanation
The correct answer is "المربع" (square). The question is asking for the shape in which the two diagonals are equal in length and perpendicular to each other. A square is the only shape that fits this description.
2.
القطران متساويان في الطول وغير متعامدين في .................
Correct Answer
C. المستطيل
Explanation
The correct answer is "المستطيل" (rectangle). The question is asking for the shape in which the two diagonals are equal in length but not perpendicular to each other. A rectangle fits this description because its diagonals are equal in length, but they are not perpendicular to each other.
3.
القطران متعامدان وغير متساويين في الطول في ........................
Correct Answer
B. المعين
Explanation
In a right triangle, the two perpendicular sides are not equal in length. Therefore, the correct answer is "المعين" which translates to "the right triangle".
4.
الشكل الرباعي الذي فيه ضلعان فقط متوازيان يسمى ....................
Correct Answer
A. شبه منحرف
Explanation
The correct answer is "شبه منحرف" which translates to "parallelogram" in English. A parallelogram is a quadrilateral with opposite sides that are parallel and equal in length. In the given question, it is mentioned that the quadrilateral has only two parallel sides, which fits the definition of a parallelogram. Therefore, the correct answer is "شبه منحرف".
5.
عدد أقطار المضلع الخماسي = ................
Correct Answer
D. 5
Explanation
The number of sides in a regular pentagon is 5. Each side of a regular polygon corresponds to a diameter of the circumcircle, so the number of diameters (or radii) of a regular pentagon is also 5. Therefore, the correct answer is 5.
6.
قياس زاوية السداسي المنتظم = ................ درجة
Correct Answer
C. 120
Explanation
The measurement of the angles in a regular hexagon is equal to 120 degrees. In a regular hexagon, all the angles are congruent, meaning they have the same measure. Since a hexagon has six angles, the total degrees in a hexagon is 720 degrees. To find the measure of each angle, we divide 720 by 6, which equals 120 degrees. Therefore, the correct answer is 120.
7.
مجموع قياسات الزوايا الخارجة لمضلع = ............ درجة
Correct Answer
D. 360
Explanation
The sum of the exterior angles of any polygon is always equal to 360 degrees. This means that if you add up all the exterior angles of a polygon, the total will always be 360 degrees.
8.
في متوازي الأضلاع س ص ع ل إذا كان قياس زاوية س = 50 درجة فإن قياس زاوية ع = ................ درجة
Correct Answer
A. 50
Explanation
The question states that in a parallelogram with angles س, ص, ع, and ل, if the measure of angle س is 50 degrees, then the measure of angle ع is also 50 degrees. This means that angles س and ع are congruent, or equal in measure. Therefore, the correct answer is 50 degrees.
9.
إذا كان : س ص ع ل مربعًا فإن : قياس زاوية ع س ص = ................. درجة
Correct Answer
D. 45
Explanation
The measure of angle ASB is 45 degrees. This is because in a square, all four angles are equal and each angle measures 90 degrees. Since angle ASB is formed by two adjacent sides of the square, it is half of the right angle, which is 45 degrees.
10.
متوازي الأضلاع الذي طولا ضلعين متجاورين فيه 5 سم ، 3 سم يكون محيطه = ................ سم
Correct Answer
A. 16
Explanation
The perimeter of a parallelogram is equal to the sum of the lengths of all its sides. In this case, we know that two adjacent sides of the parallelogram have lengths of 5 cm and 3 cm. Since opposite sides of a parallelogram are equal in length, the other two sides also have lengths of 5 cm and 3 cm. Therefore, the perimeter of the parallelogram is 5 cm + 3 cm + 5 cm + 3 cm = 16 cm.