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nalin [4]
3 years ago
10

PLS HELP Find the m∠RLU. A. 10º B. 6º C. 25º D. 50º

Mathematics
1 answer:
alexdok [17]3 years ago
7 0

Rlu is 50 as rlu and alu are equal

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Answer:

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Step-by-step explanation:

An isosceles triangle is a triangle with two sides being equal (also two equal base angles).

Let us assume the length of the two equal sides to be x meters each, and the length of the unequal side to be y meter. Since the perimeter of the triangle is 90 m, it can be expressed as:

x + x + y = 90

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But the length of the equal side is  three fourth of the unequal side, i.e x = 3/4y

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2(3/4y) + y = 90

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