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प्रश्न
Draw two parallel lines and a transversal. Mark two corresponding angles A and B. If ∠A = 4x, and ∠B = 3x + 7, find the value of x. Explain
उत्तर
Let m and n are two parallel lines and l is the transversal.
A and B are corresponding angles.
We know that corresponding angles are equals,
∴ 4x = 3x + 7
4x − 3x = 3x + 7 − 3x
x = 7°
∴ ∠A = 4 × 7 = 28° and ∠B = 3(7) + 7
= 21 + 7
= 28°
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