Question

HELP HELP HELPPPPP

thanks lol

Answer 1

257mm^2

Explanation:

18*(3+15)/2 = 162

4*(15+5) =80

3+5 = 15

total = 257 mm^2

Answer 2

Explanation:

Area of composite figure:

Shape I:

Shape I is an triangle

base= 3 + 15 + 5 = 23 mm

height = 18 mm

`\boxed{\text{Area of traingle = $(1)/(2)base*height$}}`

`= (1)/(2)*18*23\\\\= 9*23\\\\= 207 \ mm^(2)`

Shape 2:

Shape 2 is an rectangle.

length = 15 + 5 = 20 mm

width = 4 mm

`\boxed{\text{Area of rectangle = length * width}}`

= 20 *4

= 80 mm²

Shape 3:

length = 5 mm

widht = 3 mm

Area of shape 3 = 5 * 3 = 15 mm²

Area of the composite shape = 207 + 80 + 15

= 302 mm²