Question

Find the values of x if the three angles of a triangle are

(a) 7x, 3x, 2x
(b) 3x, x/2, 5x/2​

Answer 1

Answer:

all angle ➗ by 360

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Answer 2

Answer:

A) Given = Angles of triangle : 7x, 3x, 2x

Sum of angles of triangle = 180°

7x+3x+2x = 180°

12x = 180°

Sx = 180°/12

x = 15°

B) Given = Angles of triangle : 3x, x/2, 5x/2

Sum of angles of triangle = 180°

3x+x/2+5x/2 = 180°

(6x+x+5x)/2 = 180°

12x/2 = 180°

x = 180°×2/12

x = 30°

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