The area of the trapezoidal tarp in the hotel is 47.3 square inches.
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What is a trapezoid?</h3>
- A trapezoid is a quadrilateral having one pair of parallel opposite sides.
- It can have right angles (a right trapezoid) and congruent sides (isosceles), but neither is needed.
How do determine the area of the trapezoid?
- The area of a trapezoid is calculated using:
- Area = 0.5 × (Sum of parallel sides) × Height
From the complete question, the parallel sides are 10ft and 12ft.
- So, Area = 0.5 × (10 + 12) × h
Evaluate,
The height (h) is computed using the cosine function shown below:
This gives
Make h the subject:
Evaluate:
So, we get:
Evaluate:
Therefore, the area of the trapezoidal tarp in the hotel is 47.3 square inches.
Know more about trapezoids here:
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The complete question is given below:
A hotel builds an isosceles trapezoidal pool for children. it orders a tarp to cover the pool when not in use. what is the area of the tarp?
to find the height. first find that d is 60,45, or 120. this means the height of the trapezoid is approximately 2.5,4.3, or 3.5 feet. so the area of the tarp is approximately 47.3,30.0 or 38.5 square feet.
The independent is rainy days and the dependent should be hours of tv.
Answer:
x = 15
Explanation:
First, add both equations on one side, and set it equal to 180° because it's supplementary:
2x + 8 + 8x + 22 = 180
combine like terms:
10x + 30 = 180
subtract 30 on both sides of the equation and you end up with:
10x = 150
divide both sides by 10 and you get:
x = 15
Answer:
Step-by-step explanation:
Let her brother's age be x
Sarah age = 2x + 4
Answer:
0.6
Step-by-step explanation: