Math Problem Statement

Towanda has angle M and angle R . Their sum is 90° .

• The measure of angle M is (5x+10)° . • The measure of angle R is 55° .

What is the value of x ? A.25

B.35

C.90

D.5

Solution

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Math Problem Analysis

Mathematical Concepts

Algebra
Geometry
Complementary Angles

Formulas

M + R = 90°
5x + 10 + 55 = 90

Theorems

Complementary Angle Theorem

Suitable Grade Level

Grades 7-8