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Angles and Pairs of Angles — Maths STD 7 — Question

Maharashtra BoardEnglish MediumSTD 7MathsAngles and Pairs of Angles2 Marks
Question
Write the measures of the supplements of the angles given below : a°
✓

Answer

Let the measure of the supplementary angle be x°.
∴ a + x = 180
∴ a + x – a = 180 – a
….(Subtracting a from both sides) x = (180 – a)
∴ The measures of the supplement of an angle of a° is (180 – a)°.

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