Question

determine (a) the area and (b) the perimeter of the quadrilateral. note that the figure is not draw to scale

Answer 1

Answer:

perimeter=40

area=80

Step-by-step explanation:

(I am solving without the area of a trapezoid formula btw)

convert 2/3ft to inches so 8in

then find the length adjacent to 8in (2/3ft) so we will use the Pythagorean theorem a^2+8^2=10^2

a^2+64=100

a^2=36

a=6

now lets find the area for the triangle and the one on the right side.

(8*6)/2=24

24+24=48

the combined area of both triangles is 48 so we are left off with a rectangle

8*4=32

32+48=80

the perimeter will be 10+10+4+16=40