24-04-2020
Mathematics

contestada

The perimeter , P cm, of a rectangle of
length L cm and breadth B cm is given
by P = 2L +2B. Given that P = 20 and
B = 5, find the value of L

Respuesta :

iyohalucky7 iyohalucky7

24-04-2020

Answer:5cm

Step-by-step explanation:

P= 2L+2B

P=20cm

B=5cm

L=?

P= 2(L+B)

P/2=L+B

20/2= L+5

10=L+5

L=10-5

L=5cm

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