Question

Answer i will mark as brainliest.

One of the base angles of an isosceles
triangle is 72º. Find the vertical angle .
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Answer 1

Answer:

72°+72°=144°

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

isosceles triangle has equal base angle

so vertical angle 180°-(72°+72°)

= 180° -144 = 36°

so vertical angle will be 36°