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ABC is isosceles. m X = [?] please help!!
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ABC is isosceles.
m X = [?]
please help!!

ABC is isosceles. m X = [?] please help!!-example-1
User Cameron Chapman
by
3.6k points

1 Answer

5 votes

Answer:

x = 4

Explanation:

The base angles of an isosceles triangle are congruent, as shown in the figure.

Equating their measures, we have ...

∠A = ∠C

8x -7 = 25 . . . . substitute the given expressions

8x = 32 . . . . . add 7

x = 4 . . . . . . divide by 8

User Djpanda
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