yungwise32 yungwise32

20-03-2021
Mathematics

contestada

2.2
Determine the length of the rectangle if the area is 800 cm² and the breadth is 20 cm

Respuesta :

jimrgrant1 jimrgrant1

20-03-2021

Answer:

40 cm

Step-by-step explanation:

The area (A) of a rectangle is calculated as

A = lb ( l is the length and b the breadth )

Here b = 20 and A = 800 , then

l × 20 = 800 ( divide both sides by 20 )

l = 40 cm

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