G5. End-term II Review

Which shape is it?

• a cuboid

• a sphere

• a cylinder

• a trapezium

Find the area of a triangle with a base of 12 m and the corresponding height of 8 m.

• 48 m²

• 96 m²

• 24 m²

• 20 m²

Answer explanation

area: diện tích

base: đáy

height: chiều cao

The radius of a circle is 14 mm.

Find its diameter in mm.

(a)  

Answer explanation

radius: bán kính

diameter: đường kính

The radius of a circle is 6 in.

Find its area.

• 37.68 in²

• 113.04 in²

• 18.84 in²

• 28.26 in²

Answer explanation

radius: bán kính

area: diện tích

Find the volume in cm³ of a cube with the side length of 4 cm.

(a)  

Answer explanation

volume: thể tích

side length: chiều dài cạnh

Find the volume of a cuboid whose dimensions are 10cm × 5cm × 7cm.

• 175 cm³

• 350 cm³

• 50 cm³

• 210 cm³

Answer explanation

volume: thể tích

dimension: kích thước

Calculate the circumference of a circle with a radius of 3 cm.

• 7.065 cm

• 9.42 cm

• 28.56 cm

• 18.84 cm

Answer explanation

circumference: chu vi đường tròn

radius: bán kính

The volume of a cube is 125 cm³.

Find its side length in cm.

(a)  

Answer explanation

volume: thể tích

side length: chiều dài cạnh

The area of a triangle is 40 m².

The height is 5 m.

Find its base.

• 4 m

• 200 m

• 16 m

• 8 m

Answer explanation

area: diện tích

height: chiều cao

base: đáy

Calculate the height of the following trapezium, given that its area is 54 square feet.

• 6 ft

• 12 ft

• 3 ft

• 13.5 ft

Answer explanation

height: chiều cao

trapezium: hình thang

area: diện tích

Answer:

54 x 2 : (7+11) = 6