Question

The perimeter of a triangle is 105 cm. If each of the two legs is exactly twice the length of the

base, how long is each leg?

Answer 1

Greetings from Brasil...

According to the question of the statement, we can conclude that

PQ = 2B

QR = 2B

PR = base = B

Perimeter = P = 105

P = PQ + QR + PR

105 = 2B + 2B + B

B = 21

PQ = 2B = 42

QR = 2B = 42