Question

If two adjacent angles of a parallelogram are (5x – 5)° and (10x + 35)°, then the ratio of these angles is
(a) 1 : 3
(b) 2 : 3
(c) 1 : 4
(d) 1 : 2



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Answer 1

Step-by-step explanation:

sum of adjacent angles =180°

let

(5x-5)°=A

(10x+35)°=B

A+B = 180°