SOH-CAH-TOA and Pythagorean Theorem

What is the tangent of angle A?

• Tan A = 10/20 reduce to 1/2

• Tan A = 20/10 reduce to 2

• Tan A = 200

• Tan A cannot be answered until r is calculated.

Tags

CCSS.HSG.SRT.C.6

What is the tangent of angle B?

(different than last question which was <A)

• Tan B = 10/20 reduce to 1/2

• Tan B = 20/10 reduce to 2

• Tan B = 200

• Tan B cannot be answered until r is calculated.

Tags

CCSS.HSG.SRT.C.6

What is the correct set-up to solve for r?

• r² + 10² = 20²

• r² + 20² = 10²

• 10² + r² = 20²

• 10² + 20² = r²

Tags

CCSS.8.G.B.8

The correct set-up was 10² + 20² = r². What is the unsimplified answer for r?

• √10

• √30

• √300

• √500

Tags

CCSS.8.G.B.7

The correct unsimplifed answer for r is √500. What is √500 simplified?

• 5√10

• 10√5

• 25√10

• 100√5

What is the correct set-up to solve for m?

• 2² + m² = 12²

• 2² + 12² = m²

• 12² + 2² = m²

• m² + 12² =2²

Tags

CCSS.8.G.B.8

The correct set-up to solve for m was 2² + m² = 12². What is the unsimplified solution to m?

• √10

• √14

• √140

• √148

Tags

CCSS.8.G.B.7

The correct unsimplified solution was √140. What is √140 simplified?

• 14√10

• 10√14

• 2√35

• 28√5

What is the decimal answer for "sin 35"?

(if you get a negative answer, your calculator is in the wrong mode)

• 0.5736

• 0.8192

• 0.7002

• Error! This cannot be calculated.

Tags

CCSS.HSG.SRT.C.7

What is the answer for "cos^-1(4/9)"?

[if you get a decimal under 1, you didn't press the right button or any button]

(if you get a decimal between 1 and 2, your calculator is in the wrong mode)

• 23.96

• 26.39

• 63.61

• Error! This cannot be calculated.

Tags

CCSS.HSG.SRT.C.8