Question

If an Interior angle of a Bingo Mad angle chip is 45° and the other two angles are in the ratio 7x : 8x. Find the value of x ?

Answer 1

Answer:

x = 9°

Step-by-step explanation:

Let the Bingo Mad angle chip be a ABC.

∠A = 45°

∠B = 7x

∠C = 8x

We know that, sum of angles of a triangle = 180°

»∠A+∠B+∠C = 180°

»45°+7x+8x = 180°

»45°+15x = 180°

»15x = (180-45)°

»15x = 135°

»x = (135/15)°

»x = 9°

∠B = 7x

= (7×9)°

=63°

∠C = 8x

=(8×9)°

=72°

To check, sum of angles of a triangle = 180°

= (45+63+72)°

= 180°

Hope it helps you

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