Find the measure of b and a. (type the number of the angle measure ONLY)

Mathematics

1 answer:

JulijaS [17]2 years ago

3 0

Answer:

Step-by-step explanation:

A straight line has 180 degrees.

43 + b + 50 = 180 Collect like terms

b + 93 = 180 Subtract 93

b = 180 - 93

b = 87

a + b + 75 = 180 All triangles have 180 degrees.

a + 87 + 75 = 180 Combine like terms

a + 162 = 180 Subtract 162 from both sides

a = 180 - 162

a = 18

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