Question

two angles of a triangle are equal and the third angle measures 70 degree find the measure of each unknown angle​

Answer 1

Answer:

let the third angle be x

According to the question,

70+70+x=180 ( by angle sum property )

x=40

Hence the third angle is 40

Answer 2

Answer:

One angle = x = 55°

Second angle = x = 55°

Two angles = 2x = 110°

Step-by-step explanation:

One angle = x

Second angle = x

Two angles are equal = 2x

Third angle = 70°

The sum of three angles = 180°

70 + 2x = 180

2x = 180 - 70

2x = 110

x = 110/2

x = 55

One angle = x = 55°

Second angle = x = 55°

Two angles are equal = 2x = 110°

Check ⇒

One angle = x = 55°

Second angle = x = 55°

Two angles are equal = 2x = 110°

Third angle = 70°

The sum of three angles = 180°

55° + 55° + 70° = 180°

180° = 180°

L.H.S = R.H.S

Hence, verified.

The answer is correct.

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