CBSE 10th Class past year question paper
Year 2019
SET 1, Code Number- 30/2/1
Question number – 11 (a)
Deepak BoraNewbie
The larger of two supplementary angles exceeds the smaller by 18°. Find the angles.
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Let larger angle be x°
∴ Smaller angle = 180° – x°
∴ (x) – (180 – x) = 18
2x = 180 + 18 = 198
x = 99
∴ The two angles are 99°, 81°