Question

a Two angles are supplementary and the larger
is 40° less than three times the smaller. Find the
smaller angle. and the larger angle​

Answer 1

Answer:

Larger angle= 110°, Smaller angle= 70°

Step-by-step explanation:

Let the larger angle be x and Smaller Angle be y

According to 1st Condition,

x+y=180°...(1)

According to 2nd Condition,

x-40=3y

thus, x-3y=40°...(2)

Adding Equation (1) and (2),

x gets cancelled

-2y=220°

y=110°

Substituting y=110° in eqn (1)

x+110=180

x=180-110

x=70°

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