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Tatiana [17]
3 years ago
9

1.Find the area of a triangle that has a base of 30 feet and a height of 12 feet.

Mathematics
1 answer:
zysi [14]3 years ago
4 0
1. A = (1/2)bh = (1/2) * 30 ft * 12 ft = 180 ft^2

2. 21/25 * 100 = 84%

3. $13.26/(3 boxes) = $4.42/box
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Which form most quickly reveals the vertex?
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first option

Step-by-step explanation:

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7 0
3 years ago
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3 years ago
Add 2 to both sides of the equation.
qwelly [4]

Answer:

See below.

Step-by-step explanation:

Adding 2 to both sides will not help solve the equation.

Adding 2 to both sides gives you this:

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What was the original question?

4 0
2 years ago
the base of this right prism is an equilateral triangle. the approximate height of the base is 15.6 cm. what is the approximate
Andrew [12]
Hello!

To find the surface area you can divide the prism into the 2D shapes it is made of

First list out all the shapes

2 triangles with bases of 18 and heights of 15.6
3 rectangles with side lengths of 20 and 18

First find the area of the triangles

The equation to find the area of a triangle is 

A =  \frac{hb}{2}

A is area
h is height
b is base

Put in the values you know

A =  \frac{18 * 15.6}{2}

Solve

A = 140.4

The triangles have an area of 140.4 units

Next we find the area of a the rectangles

To do this we multiply the sides

18 * 20 = 360

The rectangles have areas of 360 units

Now we add all the areas

There are 2 triangles and 3 rectangles

140.4 + 140.4 + 360 + 360 + 360 = 1360.8

The answer is B) 1360.8cm squared

Hope this helps!
6 0
3 years ago
How do I answer this and what is the answer please help
Hoochie [10]

Answer:

I think the triangle is not a parallelogram because it is three sided. A parallelogram needs 4 sides.

Step-by-step explanation:

4 0
3 years ago
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