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What is the measure of

What is the measure of-example-1
User Sedat
by
7.4k points

1 Answer

3 votes

Answer:

x= 78

Explanation:

Focus on the blue traingle:

∠BHI= 180° -47° -31° (∠sum of triangle)

∠BHI= 102°

x°= 180° -102° (adj. ∠s on a str. line)

x°= 78°

x= 78

Alternatively,

x°= 47° +31° (ext. ∠ of triangle)

x°= 78°

x= 78

What is the measure of-example-1
User BillyTom
by
7.7k points