Math, asked by gagan30jeet, 11 months ago

Calculate the missing measurement ​

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Answers

Answered by sonabrainly
1

Answer:

Step-by-step explanation:

2 ( l + 15 ) = 100

l + 15 = 50

l = 50 - 15

l = 35 cm

l x b = area

35 x 15 = 525 cm^2

2( 42 + b ) = 120

42 + b = 60

b = 60 - 42

b = 18 cm

l x b = area

42 x 18 = 756

1200 = 40 x b

b = 30 cm

perimeter = 2( l + b )

2( 40 + 30 )

2 ( 70 )

140 cm

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