3 years ago

What is the area of the trapezoid shown below?

1 answer:

3 0

First find the area of the square (that is half made with the 11cm line). This is 9x11 which is 99. You have the 2 equal triangles to either side left. Because they are equal, you can work out that because it is 18cm - 9cm = 9cm and 9cm / 2 = 4.5cm, meaning that you have to do 4.5cm x 11cm to equal 49.5cm, but because it is a triangle you halve it, making 24.75cm (but because you are adding these together, you end up with 49.5cm anyway). Finally, you add thrm together : 99cm + 49.5cm which equals 148.5cm squared

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kari74 [83]

Hey there! :)

Answer:

x = 21 units.

Step-by-step explanation:

Since we know Figure A is just Figure B scaled, we can set up a proportion:

$\frac{45}{35}= \frac{27}{x}$

Cross multiply to solve for x:

45 · x = 35 · 27

45x = 945

Divide both sides by 45:

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2 years ago

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Nookie1986 [14]

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pochemuha

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2 years ago

The cone had a radius of 4.5 inches and a height of 6 inches. What is the volume of this cone?

pochemuha

Answer:

125.8983

Step-by-step explanation:

Use the formula for volume of a cone: v= (1/3)(3.14)(radius squared)(height) so v = (1/3)(3.14)(20.25)(6) = 125.8983

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2 years ago

If meg cycles 6.2 km every morning how many feet are in 6.2 given that 1 mile = 1.609 and 1 mile =5,280

Minchanka [31]

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2 years ago