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Papessa [141]
4 years ago
10

Carlos found the area of the figure check his work and explain any errors​

Mathematics
2 answers:
Zanzabum4 years ago
7 0

Answer:

The correct are is 5.5 cm².

Step-by-step explanation:

First of all, Carlos calciulated the are of the rectangle correctly, only the are unit is wrong, it should be 3 cm².

He made a mistake calculating the area of a the triangle: The area of a triangle can be calculated by multiplying the base by the height by \frac{1}{2}.

(Comment if you want a deeper explanation on where this comes from)

He mistakenly takes 4 cm for the height, but if you look carefully the height of the triangle in this case is 4 cm - 1.5 cm = 2.5 cm.

That gives \frac{1}{2} * 2 cm  * 2.5 cm = 2.5 cm^2 for the area of the triangle.

Adding those two together gets you a total area of 5.5 cm².

Lady bird [3.3K]4 years ago
5 0

Answer:

Its 5.5

Step-by-step explanation:

I just took the test

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