Mathematics

1Each angle of an equilateral triangle is 60°.

2Each interior angle of a regular polygon with 9 sides is ___°.

3A trotro travels 240 km in 4 hours. Find its average speed.

4A = {2, 4, 6, 8} and B = {4, 8, 12}. Find A ∪ B.

5A fair die is rolled. The probability of getting an even number is

6The hypotenuse of a right-angled triangle is 51 cm and one side is 24 cm. Find the other side.

7Find the area of a circle of radius 7 cm (π = 22/7).

8In a class, 28 pupils play football, 19 play volleyball and 17 play both. How many play at least one of the games? ___

9A cyclist travels at 80 km/h for 45 minutes. The distance covered is ___ km.

10The probability of an event can be 1.5.