Area of Triangles with Trigonometry

What can you find with trig ratios?

• Missing sides

• missing angles

• area of a triangle

• missing sides, angles and area of a triangle

Tags

CCSS.HSG.SRT.C.8

• 56

• 28

Tags

CCSS.HSG.SRT.D.9

In a triangle ABC, AB = 8 cm, BC = 12 cm and m(∠ABC) = 30°. Find the area of the

triangle.

• 18

• 20

• 24

• 30

Tags

CCSS.HSG.SRT.D.9

• 4/11

• 3/8

• 7/15

• 1/3

Tags

CCSS.HSG.SRT.A.2

The area of a triangle is 100. If c=20 and the measure of angle a is 30, what is b equal to?

• 20

• 20(squareroot 3)

• 500

• 10 (squareroot 2)

Tags

CCSS.HSG.SRT.D.9

• 36

• 40

• 44

• 50

• 24

• 12

• 6

Tags

CCSS.HSG.CO.C.9

Calculate the area, in cm², of the triangle shown.

Give your answer correct to 1 decimal place.

Tags

CCSS.HSG.SRT.D.9

Calculate the area, in square yards, of the triangle shown.
Give your answer correct to 1 decimal place.

Tags

CCSS.HSG.SRT.D.9

Calculate the area, in square metres, of the triangle shown.
Give your answer correct to 1 decimal place.

Tags

CCSS.HSG.SRT.D.9