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help ur guy out im not able to understand this

Help Ur Guy Out Im Not Able To Understand This class=

Sagot :

1209logan1290

Answer:

a = 4.5

b = 5

Step-by-step explanation:

thebecks

Answer:

b=7

area=20

a=5.66

perimeter=19.66

Step-by-step explanation:

Don't know your exact question but here goes everything:

since angle between a and b=45 degrees, b=4+3

b=7

area=(7x4)-1/2(4)(4)

area=28-8

area=20

a^2=4^2+4^2

a^2=16+16

a^2=32

a=5.66

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