1.The perimeter of a rectangular parking lot is 280 m. If the length of the parking lot is 81 m, what is the length? 2. The area of a rectangular painting is 6177 cm. If the width of the painting is 71 cm, what is the length?

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236 cm 16 time 12 = 192

6 times 7 = 42

192+42

18 units²

step-by-step explanation:

first let's find altitude bd using the distance formula

d = √((y₂ - y₁)² + (x₂ - x₁)²)

bd = √((0 - -3)² + (0 - 3)²)

bd = √18

given the placement of points a and c, we can denote that point d bisects segment ac.

we will call ac the base.

using the distance formula

ac = √((0 - 6)² + (-6 - 0)²)

ac = √72

knowing our base and our height, we can plug these into our triangle area formula

area = (b * h)/2

area = (√18 * √72) / 2

area = (√1296) / 2

area = 36 / 2

area = 18 units²