HELP ASAP BRAINLIEST FOR FIRST CORRECT ANSWER In triangle ABC, m∠A=(5x−10)∘, m∠B=(12x)∘, and the exterior angle at C is (16x)∘.
2 answers:
Answer:
exterior ∠C = 160
Step-by-step explanation:
Exterior angle property: Exterior angle equals the sum of opposite interior angles.
∠A + ∠B = exterior ∠C
5x - 10 + 12x = 16x {Combine like terms}
17x - 10 = 16x {Add 10 to both sides}
17x = 16x+ 10 {Subtract 16x form both sides}
17x - 16x = 10
x = 10
exterior ∠C = 16x = 16 * 10 = 160
Answer:
160
Step-by-step explanation:
5x-10+12x=16x
17x-16x=10
x= 10
exterior angle at C = 16x= 16×10 = 160°
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Good luck on your assignment & enjoy your day!
*RosalindCordelia:)
