Question

Sum of two angles of a triangle is 90 and their difference is 50

Answer 1

Answer:

x+y=90...................................(i)

x-y=50.....................................(ii)

x=50+y

sub in (i)

50+y+y=90

50+2y=90

2y=90-50

2y=40

y=20.....................................(iii)

sub in (ii)

x-y=50

x-20=50

x=70

Step-by-step explanation:

Answer 2

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