PRIMARY [5 ]2024 Exam (1)

Abdullah, Fayrouza, Klara, Nourseen, and Awny are discussing different shapes. Can you tell me the name of a polygon with 5 sides?

• pentagon

• decagon

• hexagon

• octagon

Answer explanation

The correct name for a polygon with 5 sides is a pentagon.

Abdullah needs to cut a wooden plank at a right angle. How many degrees does he need to measure for the cut?

• 270

• 180

• 90

• 45

Answer explanation

To cut a wooden plank at a right angle, James needs to measure 90 degrees. A right angle is equal to 90 degrees.

What is the total length of the fence needed to enclose a square garden with each side measuring 6 units?

• 18 units

• 30 units

• 24 units

• 12 units

Answer explanation

To find the total length of the fence needed to enclose the square garden, we add up the lengths of all four sides, which is 6 + 6 + 6 + 6 = 24 units. Therefore, the correct answer is 24 units.

What is the magical formula to calculate the area of a rectangular swimming pool?

• Area = Length / Width

• Area = 2 x (Length + Width)

• Area = Length x Width

• Area = Length + Width

Answer explanation

The correct formula to uncover the area of a rectangular garden is Area = Length x Width. This formula multiplies the length and width of the garden to find the total area.

Which type of angle is commonly found in a triangle and measures between 90 and 180 degrees?

• Straight angle

• Right angle

• Obtuse angle

• Acute angle

Answer explanation

An obtuse angle falls between 90 and 180 degrees, making it the correct choice in this scenario.

Eriny, Mohab, Retag, Fayrouza, and Klara are planning a camping trip. They need to set up a tent with angles measuring 45°, 45°, and 90°. What type of triangle should they look for?

• Equilateral triangle

• Right triangle

• Isosceles triangle

• Scalene triangle

Answer explanation

The triangle with angles measuring 45°, 45°, and 90° is a right triangle, as it follows the Pythagorean theorem where one angle is a right angle (90°).

the number of faces of the cube is ........................................

• 6

• 12

• 8

• 24

Answer explanation

The sum of the interior angles of a triangle is always 180 degrees. This is a fundamental property of triangles in Euclidean geometry.

Arwa wants to write the x-coordinate of the point ( 5 , 3 ) then the correct answer is..............

• 3

• 8

• 2

• 5

Answer explanation

The correct circumference of a circle can be calculated using the formula 2πr, where r is the radius. Therefore, the circumference with a radius of 5 units is 2π*5 = 10π units. Hence, the correct answer is 10π units.

Can you tell me the name of a shape with 8 sides?

• hexagon

• decagon

• octagon

• heptagon

Answer explanation

An octagon is a shape with 8 sides, making it the correct choice among the options provided.

Answer explanation

The area of a triangle is calculated using the formula: (base * height) / 2. Substituting the values, (8 * 4) / 2 = 16 square units. Therefore, the correct answer is 16 square units.