Pre-Calc Unit 3 Review

Which of the following represents law of sines?

• a/sinA
• b/sinA
• c/sinB
• b/sinC

Tags

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

Solve this triangle: A=150*, C=20*, a=200
find b=?

• b=73.4
• b=12.2
• b=34.2
• b=69.5

Tags

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

Solve this triangle: A=150*, C=20*, a=200
find c=?

• c=133.4
• c=136.8
• c=124.2
• c=77.3

Tags

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

Solve this triangle: A=150*, C=20*, a=200
find B=?

• B=3
• B=10
• B=17
• B=2

Tags

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

Which of the following is the correct equation for area of a Triangle?

• k=1/2(a^2)(sinBsinC/sinA)
• k=2(a^2)(sinBsinC/sinA)
• k=1/2(2a)(sinasinC/sinb)
• k=2(2a^2)(sinBsinC/sinA)

Tags

CCSS.HSG.SRT.D.9

Which of the following is also an equation for area of a triangle?

• k=2(a)(b)(sinA)
• k=2(a)(b)(sinC)
• k=1/2(a)(b)(sinB)
• k=1/2(a)(b)(sinC)

Tags

CCSS.HSG.SRT.D.9

Find the area of the triangle ABC given:
A=35.5*, B=46.6*, c=8.1

• k=7.64u^2
• k=10.92u^2
• k=13.97u^2
• k=45.68u^2

Tags

CCSS.HSG.SRT.D.9

Find the area of the triangle ABC given:
B=26.8*, a=3.4, c=7.8

• k=6.66 u^2
• k=5.98 u^2
• k= 7.53 u^2
• k= 9.87 u^2

Tags

CCSS.HSG.SRT.D.9

How many triangles are there (SSA)?
A=45*, a=5, b=4

• 2
• 0
• 1
• 100

Tags

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

Find m<C if:
A=82*, a=29, b=24, c=20
round to nearest tenth!

• m<C= 44.3*
• m<C= 75.6*
• m<C= 64.8*
• m<C= 43.1*

Tags

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11