Question

Two angles of each triangle are equal and the third angle measures 70°. find the measure of each of the unknown angles.​

Answer 1

Answer:

55°

Step-by-step explanation:

If one unknown angles of triangle is X

$70 + 2x = 180$

$2x = 180 - 70 = 110$

$x = 110 \div 2 = 55$

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Answer 2

Answer:

let 2 angles of triangle be x

by angle sum property we know that sum of 3sides of angle = 180 degree

so,

2x + 70 = 180

2x = 180 - 70

2x = 110

x = 110 / 2

x = 55 degree