Question

In ∆ABC ∠A = 3x – 17, ∠B = x + 40 and ∠C= 2x – 15. Find the measure of each angle.

Answer 1

Step-by-step explanation:

in a triangle sum of all angle is 180

so angle A+ angle B + angle C = 180

3x-17)+(x+40)+(2x-15)= 180

6x+8=180

6x= 172

X=28.67

angle A= 69.01

angle B=68.67

angle C=42.34

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Answer 2

Answer:Given the parallelogram ABCD.In case of a parallelogram the sum of adjacent angles will be 180°i.e, ∠A+∠B=180°⇒2x+15+3x−25 =180°∴5x=190°i.e, x=38°Hence, the answer is 38°.

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