Martin starts at one corner of a square field walks 40 ft along one side to another corner of the field. he turns 90 degrees and walks 30 ft, and then walks straight back to where he started. what is the area of the of the part of the field that he walked around? what is the best strategy to solve the problem

1200 Square Feet

Step-by-step explanation:

if he walks 40ft then turns 90* then walks 30ft. You take the 40ft along one side and mutiply it by the 30ft that he walks so you can get the area.

a.

step-by-step explanation:

step 1 distribute 2 to every term in the parentheses

step 2 add 10 on both sides of the equal sign

d. it is a convex pentagon because it has five sides and none of the sides would extend into the inside of the polygon.

step-by-step explanation: