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Find the value of x please

Find the value of x please-example-1
User Stav Bodik
by
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1 Answer

9 votes

Answer:

x=21°

Explanation:

in the isosceles triangle, if two sides are equal,then the angles opposite those sides are equal.

so, 2x=42° ( exterior angle of a triangle is equal to the sum of the two opposite interior angles)

x=21°

User Gary Forbis
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4.8k points