arman18 arman18

20-02-2019
Mathematics

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What is the measure of angle x enter in the box

What is the measure of angle x enter in the box class=

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numbrain numbrain

20-02-2019

Answer:

x=47

Step-by-step explanation:

All triangles angles add up to 180

to solve this simply subtract the 2 known to find the unknown.

180-102=78

78-31=47

x=47

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