The perimeter of the triangle below is .A 54 B 66. C 44. D 74. E 36.
2 answers:
Answer:
54
Step-by-step explanation:
This is an isosceles triangle since the base angles are the same. That means the unlabeled side must be 12
P = s1 + s2+s3 where s is the side
P = 12+12+30
P = 54
The two bottom angles are the same which means the two sides are also the same..
Perimeter = 12 + 12 + 30 = 54
Answer: A.54
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Step-by-step explanation:
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Step-by-step explanation:
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