Question

two supplementry angles differ by 70 find the measure of smaller one
(a) 55 (b) 65 (c) 125 (d) 85​

Answer 1

125 is the smaller angle

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Answer 2

Answer:

(a) 55

Step-by-step explanation:

Let the smaller angle be x°.

Since the two angles differ by 70°, The bigger angle will be x+70

We know that sum of the supplementary angles is 180°

We have,

x+(x+70)=180°

2x+70=180

2x=180-70

2x=110

x=110/2

x=55

∴ The smaller angle is 55°.