Question

1. Two angles of a triangle are 72º and 63º. Find the third angle​

Answer 1

Answer:

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Step-by-step explanation:

We know that sum of all angles in a triangle is 180°

Let the third angle be x

∴ 72°+63°+x = 180°

135° + x = 180°

x = 180° - 135°

x = 45°

Answer 2

Answer:

45°Ans

Step-by-step explanation:

let The Third angel Be x

the sum of three angle of triangle is 180°

x+72°+63° = 180°

x+135° = 180°

x= 180°-135° = 45°Ans