IMO Geometry 2

Question 1

A cube has a side length of 4 cm. What is its volume?

Accepted Answer

64 cm³

Answer

16 cm³

Answer

48 cm³

Answer

96 cm³

Question 2

Two angles of a triangle are 55° and 75°. What is the third angle?

Accepted Answer

50°

Answer

40°

Answer

60°

Answer

70°

Question 3

What is the name of a polygon with 6 sides?

Accepted Answer

Hexagon

Answer

Pentagon

Answer

Heptagon

Answer

Octagon

Question 4

A right-angled triangle has legs of length 3 cm and 4 cm. What is the length of the hypotenuse?

Accepted Answer

5 cm

Answer

6 cm

Answer

7 cm

Answer

8 cm

Question 5

What is the circumference of a circle with diameter 14 cm? (Use π ≈ 22/7)

Accepted Answer

44 cm

Answer

88 cm

Answer

22 cm

Answer

28 cm

Question 6

A parallelogram has a base of 8 cm and a height of 5 cm. What is its area?

Accepted Answer

40 cm²

Answer

13 cm²

Answer

26 cm²

Answer

80 cm²