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Natasha_Volkova [10]
3 years ago
9

What is the area of a triangle in square units if base =11 and height=20

Mathematics
2 answers:
Sergio [31]3 years ago
6 0

Answer: 110

Step-by-step explanation:

11x20=220 220\2=110

Diano4ka-milaya [45]3 years ago
5 0

Answer:

110

Step-by-step explanation:

A= 1/2 x 11 x 20

A= 11/2 x 20

A= 110

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Answer:

b=(-10-a)/4

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Then divide both sides by 3

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Indicate the equation of the given line in standard form. The line through the midpoint of and perpendicular to the segment join
lianna [129]
The midpoint is (3,-1) 

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Please help and please give explanation
Yuki888 [10]

Answer:

cylinder surface area = 201.06in²

surface area of cone = 56.56in.²

Step-by-step explanation:

cylinder surface area formula = 2πrh + 2πr²

refer the pic

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refer the sec pic

surface area of the solid

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4 0
2 years ago
A jet travels 510 miles in 5 hours. At this rate, how far could the jet fly in 15 hours? What is the rate of speed of the jet?
n200080 [17]

Answer:

1530

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8 0
3 years ago
Read 2 more answers
An apartment complex has a floor plan with dimensions shown. To effectively air condition a room, 20 BTU’s are required for ever
kifflom [539]

12,900 BTU's are required to cool the room effectively.

Step-by-step explanation:

Step 1:

We must calculate the area of the entire shape to determine the minimum BTU's required to cool the room effectively.

It is made up of a semi-circle a rectangle, and a trapezoid.

Step 2:

The area of a semi-circle =\frac{ \pi r^{2} }{2} .

Here, the diameter is 20 feet so the radius is 10 feet.

The area of the semi-circle =\frac{ \pi r^{2} }{2} =\frac{ (\pi) (10^{2}) }{2} = 157.079 square feet.

The area of a rectangle = (l)(w).

The length of the rectangle is 22 feet and the width is 20 feet.

The area of a rectangle = (l)(w) =(22)(20) = 440 square feet.

The area of a trapezoid =\frac{a+b}{2} (h).

Here a=12, b= 20, h= 3.

The area of a trapezoid =\frac{12+20}{2} (3) = 48 square feet.

Step 3:

The total area of the floor plan =157.079+440+48 = 645.079 square feet.

If 20 BTU's are required for a single square foot,

The number of BTU's for 645.079 square feet = (645.079)(20)=12,901.58 BTU's.

Rounding this off, we get 12,900 BTU's required  to cool the room effectively.

7 0
3 years ago
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