Question

If one angle of a parallelogram is 20° less than thrice of the smallest angle,
then measure of the largest angle of the parallelogram is
A) 150°
B) 130°
C) 110°
D) 90°​

Answer 1

Answer:

B) 130°

Step-by-step explanation:

(3x - 20 + x)° = 180°

4x - 20 = 180

4x = 200

x = 50°

3 × 50 - 20 = 130°

Answer 2

Answer:

130

Step-by-step explanation:

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