Finding Area with Trigonometry

Which formula below may used to find the area of a triangle?

• 1/2 b*c*Sin A

• 1/2 b*c*CosA

• 1/2 s*a*n

• a²+b²=c2

Tags

CCSS.HSG.SRT.D.9

Find the area of the triangle. Round answers to two decimal places. 

• 2.99
• 2.50
• 3.99
• 4.01

Tags

CCSS.HSG.SRT.D.9

Find the area of the triangle. Round answers to two decimal places. 

• 2.83
• 2.75
• 3.41
• 1.98

Tags

CCSS.HSG.SRT.D.9

Find the area of the triangle. Round your answer to 1 decimal place..

• 24.9 cm²

• 25 cm²

• 49.8 cm²

• 49.9 cm²

Tags

CCSS.HSG.SRT.D.9

Find the area of the triangle. Round your answer to 1 decimal place..

• 19.7 cm²

• 19.8 cm²

• 19.9 cm²

• 19 cm²

Tags

CCSS.HSG.SRT.D.9

Find the area of the triangle. Round your answer to 1 decimal place..

• 12 cm²

• 10.1 cm²

• 11.5 cm²

• 10.2 cm²

Tags

CCSS.HSG.SRT.D.9

Find the area of the triangle. Round your answer to 1 decimal place..

• 24.9 cm²

• 25 cm²

• 49.8 cm²

• 49.9 cm²

Tags

CCSS.HSG.SRT.D.9

Find the area of the triangle. Round your answer to 1 decimal place..

• 19.7 cm²

• 19.8 cm²

• 19.9 cm²

• 19 cm²

Tags

CCSS.HSG.SRT.D.9

• 14.7 in²
• 14.7  cm²
• 28 cm²
• 28 in²

Tags

CCSS.6.G.A.1

Find the measure of the indicated angle.

• 9.39
• 55.2
• 20.2
• 19.4

Tags

CCSS.HSG.SRT.C.8