Carl offered to pay Jake $0.25 a square foot to paint his fence. The fence measures 109 feet long and 7 feet wide. What is the square footage of the fence?

Solution:

Given that,

Carl offered to pay Jake $0.25 a square foot to paint his fence

Therefore,

Cost per square foot = $ 0.25

The fence measures 109 feet long and 7 feet wide

The area of the fence is given as:

Thus the square footage of the fence is 763 square feet

1. 3. can also be expressed as (22/7)

2. -4.5

3. 3.6

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second option

step-by-step explanation:

the measures of a triangle equal 180. use that to find x.

2x+3x+4x=180

9x=180

9x/9=180/9

x=20

now you know x, you know angle a is 40°, angle b is 60°, angle c is 80°.

because angle a is 40°, the first option doesn't work.

because angle b is 60°, the second option does work.

when you add angle a and b, you get 100°. complementary means it equals 90°, so the third option doesn't work.

when you add angle a and c, you get 120°, which is not 100.