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cupoosta [38]
2 years ago
12

Find the value of x please

Mathematics
1 answer:
dexar [7]2 years ago
4 0

Answer:

x=21°

Step-by-step 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°

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