Area of Triangles

Find Area of DEF

• 9.5
• 119.5
• 59.8
• 5.4

Tags

CCSS.HSG.SRT.D.9

Find the area of ABC to the nearest tenth.

• 62.3 units²

• 124.6 units²

• 77.0 units²

• 100 units²

Tags

CCSS.HSG.SRT.D.9

Find the area of the triangle. Hint: you will need to also use the Law of Sines on this problem.

• 88 square units

• 108 square units

• 63 square units

• 148 square units

Find the area of triangle DEF to the nearest tenth of a sq. meter.  $m\angle F=74\degree.\ DF\ =\ 6.6m,$  $m\angle D=44\degree$  
Hint: you will need to use Law of Sines on this one to find missing values

• 19.2

• 17.1

• 13.5

• 16.5

In triangle KHP, p = 5 ft, $m\angle K=134\degree$ and k = 9 ft.  Find the area to the nearest tenth.  Hint: You will need to use the Law of Sines to find missing information on this problem.  

• 10.1 sq ft

• 8 sq ft

• 6.9 sq ft

• 8.6 sq ft

Find the area of  $\Delta ABC$  
if a = 9cm, b = 11cm, c = 16cm

• 52.1 sq cm

• 89.5 sq cm

• 47.6 sq cm

• 15.2 sq cm

Tags

CCSS.HSG.SRT.D.9

If the sides of a triangle are 3, 9, and 10, what is the area?

• 13.3

• 14.3

• 12.3

• 15.3

Find the area:

• 104.5 units²

• 120 units²

• 80.5 units²

• 2400 units²

Tags

CCSS.6.G.A.1

Which area formula works for this triangle?

• ½(5)(7)cos(49⁰)

• (5)(7)sin(49⁰)

• ½(5)(7)sin(49⁰)

• all of these

Tags

CCSS.HSG.SRT.D.9