The following figure is given. Name the measurement of the angle that can be added to the sum of these three angles to yield a right angle.

Question

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814

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+1982

The following figure is given. Name the measurement of the angle that can be added to the sum of these three angles to yield a right angle.

A. 8

B. 9

C. 11

D. 7

E. 10

An obtuse angle measures 130 degrees. Which is the difference between this angle and a right angle?

A. 30 degrees

B. 40 degrees

C. 50 degrees

D. 60 degrees

CPhill · Answer 1 · 2020-03-09T06:43:04

First one.....a right angle = 90°

So...call "x" the missing angle and we have that

29 + 34 + 20 + x = 90 simplfy

83 + x = 90 subtract 83 from both sides

x = 7°

Second one

130 - 90 =

40°