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What is the measure of angle B in degrees? _________.
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What is the measure of angle B in degrees?



_________.

What is the measure of angle B in degrees? _________.-example-1
User Kapil Thakkar
by
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1 Answer

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An outside angle is the sum of the two opposite inside angles.

The outside angle given as 112 is the sum of A + 51, so A = 61

A and B are supplementary, so they need to sum to 180.

B = 180 - 61

B = 119

User Pravchuk
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