2 years ago

The sum of the measures of angle M and angle R is 90°.

Mathematics

1 answer:

denis23 [38]2 years ago

7 0

Answer:

x = 5

Step-by-step explanation:

We have: The sum of the measures of angle M and angle R is 90°

M + R = 90°

M = (5x + 10)°

Plug M into (1)

the equation: (5x + 10)° + R = 90° (2)

R=55° into (2)

(5x + 10)° + 55° = 90°

5x + 10 + 55 = 90

5x + 65 = 90

5x = 25

x = 5

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