Question

Angle 1 is supplementary to angle 2. If the measure of angle 1 = 10x + 15 and the measure of angle 2 = 2x + 45,
what is the measurement of angle 2?

Answer 1

65°

Step-by-step explanation:

10x+15+2x+45=180

12x+60=180

12x=180-60

x=120/12

x=10

angle 2 is

=2x+45

=2*10+45

=20+45

=65°

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Answer 2

Answer:

It's answer is 65°

Step-by-step explanation:

we know that,

sum of supplementry angles is 180°

so,

10x+15+2x+45=180

12x+60=180

12x=180-60

12x=120

x=120/12

x=10

Hence,angle 1 = 115° and angle 2 = 65°