Madisonraud1 Madisonraud1
  • 12-04-2019
  • Mathematics
contestada

Plz help, and explain

Plz help and explain class=

Respuesta :

desperatesmile
desperatesmile desperatesmile
  • 12-04-2019

3:

You're finding the area of two shapes, a square, and a quarter of a circle.

So

A=As+Ac/4

A=Lw+πr²/4

A=(6)(6)+(3.14)(6²)/4

A=64.26 m²

4:

Line LKJ is a straight line, so <LKJ =180°

<LKJ=<JKH+<HKL

180=78+4x+2

180=80+4x

100=4x

25=x

<HKL=4x+2

<HKL=4(25)+2

<HKL=102°

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