Question

send answer immediately ​

Answer 1

Answer:

45°

Step-by-step explanation:

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Answer 2

Answer:

X = 45°

Step-by-step explanation:

angle (a)= angle (c)

if two line of a triangle are equal , than the angle opposite them are also equal.

angle (a) =X

A + B + C = 180°

X + 90° + X = 180°

2X = 180° - 90°

2X = 90°

X = 90°/2

X = 45°

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