Question

if (a+20)=(b+30)=90 then the complement of a and b are​

Answer 1

Answer:

sum of all complementary angles equals 90° , hence

y -20+y+30=90°

2y+10=90°

2y =90°-10

2y=80

HENCE 2 ANGLESARE

+y-20) = 40-20=20°

y+30(y+30) =40 +30=70°

ANGLES ARE 20°AND 70 °

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