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3 years ago

HELP ASAP PLEASE!!!What is the degree measure of ABC given that A=25 & C=135?

Mathematics

1 answer:

adelina 88 [10]3 years ago

6 0

Answer:

m∠ABC = 110°

Step-by-step explanation:

By the property of exterior angle of a triangle,

"Exterior angle of a triangle is equal to the sum of two opposite interior angles"

m∠BAC + m∠ABC = 135°

25° + m∠ABC = 135°

m∠ABC = 135° - 25°

= 110°

Therefore, measure of angle ABC is 110°.

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From the second equation $x=2980-4y$ , then

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