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lions [1.4K]
2 years ago
13

Answer with evidence I give points and brainiest and friend me for personal points

Mathematics
2 answers:
uysha [10]2 years ago
5 0

Answer:

12.75ft²

Step-by-step explanation:

<u>Step 1: Determine the formula for the area of a trapezoid</u>

The formula for the area of a trapezoid is A=1/2(b1+b2)*h where b1 and b2 are the bases of the trapezoid and h is the height of the trapezoid.

<u>Step 2: List given information</u>

b1=8ft

b2=9ft

h=1.5ft

<u>Step 3: Plug given variables into the formula</u>

A=1/2(b1+b2)*h

A=1/2(8+9)*1.5

A=1/2(17)*1.5

A=8.5*1.5

A=12.75

So the area of the seat is 12.75ft²

Reika [66]2 years ago
3 0

Answer:

12.75 feet

Step-by-step explanation:

To find the area of a trapezoid, you must take the first base plus the second base and then multiply by the height divided by 2. [(8 * 9)1.5/2] Doing this will get you 12.75. Then, you add the label from the problem which is feet.

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