Pythagorean Theorem Trig Identities

The Pythagorean Theorem ONLY works on which triangle? 

• obtuse

• scalene

• isosceles

• right

Tags

CCSS.8.G.B.8

Is this a right triangle?

• Yes, because it looks like it

Tags

CCSS.8.G.B.8

Select all that are Pythagorean Identities.

• sin²(u) + cos²(u) = 1

• sin²(u) - cos²(u) = 1

• tan²(u) + 1 = sec²(u)

• cot²(u) + csc²(u) = 1

• cot²(u) + 1 = csc²(u)

What is the length of side x?

• 6.57 cm

• 7 cm

• 7.44 cm

• 26.33 cm

Tags

CCSS.HSG.SRT.C.8

Find x round to the nearest tenth.

• 46.1

• 4.9

• 16.4

• 26.9

Tags

CCSS.HSG.SRT.C.8

Susan is flying a kite, which gets caught in the top of a tree. Use the diagram to estimate the length of the string.

• 63 ft

• 125.1 ft

• 129.6 ft

• 93.2 ft

Tags

CCSS.HSG.SRT.C.8

Calculate the length of side b

• 30

• 24

• 27

• 35

Tags

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

Calculate the length of BC

• 24

• 20

• 27

• 23

Tags

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

A ramp is being built next to a 4-inch high sidewalk. The ramps angle of inclination is 10 degrees.  Estimate the length of the ramp to the nearest tenth of an inch. 

• 4.1 inches

• 3.9 inches

• 22.7 inches 

• 0.7 inches 

Tags

CCSS.HSG.SRT.C.8