Solving for a Side Right Triangle

Solve for x. Round to the nearest tenth.

• 103.5

• 4.7

• 55.0

• 23.4

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

• 63 ft

• 65 ft

• 74 ft

• 87 ft

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 

What would you use to solve for a?

• sin

• cos

• tan

• Pythagorean theorem

On your own paper, write an equation using the Pythagorean Theorem and solve for x.

• x = 6724

• x = 77.9

• x = 82

• x = 98

Find the value of x. Round to the nearest tenth.

Mathematical Equivalence

ON

Tags

G.8.c

G.8

What is the side adjacent to ∠A?

• AB

• BC

• AC

• ∠C

Solve the right triangle. rounding to nearest tenth.

• <1= 39^o, <2 = 61^o, 3rd side = 47.2

• <1= 71.9^o, <2 = 18.2^o, 3rd side = 36.2

• <1= 64.2^o, <2 = 25.8, 3rd side = 32.2

• <1= 28.9^o, <2 = 71.1^o, 3rd side = 27.2

Solve the right triangle. rounding to nearest tenth.

• <1= 39^o, <2 = 61^o, 3rd side = 7.2

• <1= 71.9^o, <2 = 18.2^o, 3rd side = 6.2

• <1= 43.2^o, <2 = 56.7, 3rd side = 6.6

• <1= 28.9^o, <2 = 71.1^o, 3rd side = 7.2

Find the length of side y.

• 22.32 cm

• 36.5 cm

• 76.34 cm

• 87.76 cm