Question

c) Which pair of angles given below are supplementary,
(1) <ABC=70°<bcd=20°
(III) <efg=180°, <hij=100°
(IIl) <pqr=130°, <abc=70°
(lv)<pqr=130°, <abc=70°
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Answer 1

Answer:

option 1

Step-by-step explanation:

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Answer 2

Answer:

For this we add all the pair and when we get equal to 180° than that pair which give us 180° after addition