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BaLLatris [955]
2 years ago
11

What is the area of the figure below A: 22cm2 B: 24cm2 C: 48.5cm2 D: 56cm2

Mathematics
1 answer:
tangare [24]2 years ago
6 0

Answer:

48.5cm²

Step-by-step explanation:

The figure is can be divided into 3 parts:

The square, The rectangle and The triangle

We will be finding the area of each shape.

The square: Area = length * length

Length of square = 3.   Area = 3 cm * 3 cm = 9 cm²

The rectangle: Area = length * breadth

Length = 8 cm; Breadth = 4 cm.  Area = 8 cm * 4 cm = 32 cm²

The triangle: Area = 0.5 * height * base

Height = 5 cm; Base = 3 cm. Area = 0.5 * 5 * 3 = 7.5 cm²

Base is the shorter side of the triangle that is not the diagonal side (hypotenuse). It is gotten by subtracting the given length of the bottom part of the figure which is 4 cm from the top part of the figure which is 7 cm and it is also the other side of the square that is not given.

Height is the longer side of the triangle that is not the hypotenuse.

It is gotten by subtracting the given length of the right side which is 3 cm from the given length of the left side of the figure which is 8 cm.

Base and height can be used interchangeably.

Adding all the areas together: 9 + 32 + 7.5 = 48.5 cm²

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Answer:

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Step-by-step explanation:

First is to eliminate A and C, why?

This is because of the end points shown on the graph.

As shown, if you look at the point of (2,1) it is black, this means that not only is it closed but it is also means ≤ or ≥ symbol.

You are now left with B and D

The difference between these two is the symbols; they are facing the opposite directions.

While B says x ≤ 1, and x > 1

While D says x ≥ 1, and x < 1

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3 years ago
Cody has 7/8 pound of cheese. he uses 1/7 since there are 16 ounces in a pound how much is left
bagirrra123 [75]
Step One
Find the fraction left.
Starting amount = 7/8 pound
Used amount = 1/7 of a pound.

The common denominator of these two fractions is 8 * 7 = 56

Amount left = amount started with - amount used
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Amount left = \frac{7 *7 }{8 * 7} -  \frac{1 * 8}{7 * 8}
Amount left = \frac{49 }{56} - \frac{ 8}{56}
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Step Two
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