Trigonometry

Question 1

Does Pythagoras' Theorem work for this triangle?

Accepted Answer

No

Question 2

Use Pythagoras Theorem to calculate:

Accepted Answer

14.87

Question 3

Pythagoras' Theorem for this triangle is

Accepted Answer

h2 = x2 + y2

Question 4

The calculation for x would be:

Accepted Answer

24.22-19.32 = x2

Question 5

The length KL would be labelled what in Trigonometry?

Accepted Answer

Adjacent

Question 6

Pythagoras' Theorem applies to

Accepted Answer

right angled triangles

Question 7

Which calculation finds the missing length of this triangle?

Accepted Answer

√(212 - 152)

Question 8

What calculation would you make to find the value of x?

Accepted Answer

8 x cos 36°

Question 9

The mnemonic (saying) to help you decide which trigonometry calculation to do is

Accepted Answer

SOH CAH TOA

Question 10

What type of triangle is trigonometry used for?

Accepted Answer

right angle

Question 11

Using pythagoras, the calculation for y would be:

Accepted Answer

y2=32+42

Question 12

The 3 trigonometry functions are

Accepted Answer

sin, cos, tan

Question 13

Which calculation finds the area of this triangle?

Accepted Answer

(5 x 3) ÷ 2

Question 14

What calculation would you make to find the value of x?

Accepted Answer

6 ÷ sin 57°

Question 15

What calculation would you make to find the value of x?

Accepted Answer

10 x tan 50°

Questions 15