Question

Help ur guy out im not able to understand this

Answer 1

a = 4.5

b = 5

Explanation:

Answer 2

b=7

area=20

a=5.66

perimeter=19.66

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