Mathematics Quiz 2024/2025

If angle A is 75°, what is its complementary angle?

• 105°

• 150°

• 30°

• 15°

If angle B is 85°, what is its complementary angle?

• 15°

• 5°

• 75°

• 285°

Complementary angles add up to:

• 90°

• 180°

• 270°

• 360°

If angle C is x°, what is its complementary angle?

• 90-x°

• 180-x°

• 270-x°

• 360-x°

The sine of 30° is:

• 1/2

• √3/2

• √2/2

• 1

If sin @ = 3/5, what is cos @ + sin @?

• 4/5

• 7/5

• 5/4

• 5/3

A ladder leaning against a wall forms a right-angled triangle. If the ladder is 5 meters long and the base of the ladder is 3 meters from the wall, how high up the wall does the ladder reach?

• 4 meters

• 2 meters

• 6 meters

• 8 meters

A flagpole is 12 meters tall. If a cable is stretched from the top of the flagpole to a point on the ground 5 meters away, how long is the cable?

• 13 meters

• 11 meters

• 9 meters

• 7 meters

A kite is flying at a height of 20 meters above the ground. If the string of the kite is 30 meters long, how far away from the ground is the kite horizontally?

• 26 meters

• 22 meters

• 24 meters

• 20 meters

A tree casts a shadow of 15 meters long on the ground. If the angle of elevation of the sun is 30°, how tall is the tree?

• 7.5 meters

• 8.66 meters

• 10 meters

• 12 meters