NBT Mathematics Geometry and Trigonometry

Question 1

The angles in a triangle are 50 degrees and 60 degrees. What is the third angle?

Accepted Answer

70 degrees

Answer

50 degrees

Answer

110 degrees

Answer

80 degrees

Question 2

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

Accepted Answer

5cm

Answer

7cm

Answer

12cm

Answer

6cm

Question 3

What is the area of a rectangle that is 8m long and 5m wide?

Accepted Answer

40 m^2

Answer

13 m^2

Answer

26 m^2

Answer

45 m^2

Question 4

In a right-angled triangle, sin(theta) is defined as:

Accepted Answer

opposite / hypotenuse

Answer

hypotenuse / opposite

Answer

opposite / adjacent

Answer

adjacent / hypotenuse

Question 5

What is the value of cos(60 degrees)?

Accepted Answer

0.5

Answer

0

Answer

0.87

Answer

1

Question 6

Two angles are complementary and one is 35 degrees. What is the other angle?

Accepted Answer

55 degrees

Answer

325 degrees

Answer

145 degrees

Answer

45 degrees

Question 7

The circumference of a circle is given by which formula (r = radius)?

Accepted Answer

2 pi r

Answer

pi d^2

Answer

r^2 / 2

Answer

pi r^2

Question 8

A ladder leans against a wall making a 90-degree angle between the wall and the ground. The angle between the ladder and the ground is 65 degrees. What is the angle between the ladder and the wall?

Accepted Answer

25 degrees

Answer

15 degrees

Answer

35 degrees

Answer

65 degrees