Question

3. Find the value of x if three angles of a triangle are :

b) 9x°, 7x°, 2x°

please solve it step by step​

Answer 1

Answer:

x=10

Step-by-step explanation:

9x+7x+2x=180

18x=180

x=10

Answer 2

Answer:

X=10°

Step-by-step explanation:

Sum of all the angles in a triangle=180°

so,

9x°+7x°+2x°=180°

=18x°=180°

X=180÷18

X=10°

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