3 years ago

Pls help I'm confused on this!!!!

Mathematics

1 answer:

pochemuha3 years ago

8 0

It will be 5 cost and lien plz

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3 years ago

Read 2 more answers

mr.mcbride asks students to find the volume of the triangular pyramid below. which student wrote the correct expression for the

Black_prince [1.1K]

Given:

Given that the height of the pyramid is 20 inches.

The sides of the triangle are 9 in, 12 in and 15 in.

The expression for the area of the base written by JO is $\frac{1}{2}(9 \cdot 15)$

The expression for the area of the base written by MAE is $\frac{1}{2}(9 \cdot 12)$

We need to determine the correct expression for the area of the base written by the student.

Expression for the area of the base:

The area of the base of the triangular prism can be determined using the formula,

$B=\frac{1}{2}bh$

where b is the base of the triangle and h is the height of the triangle.

From the figure, the base of the triangle is 9 inches and the height of the triangle is 12 inches.

Substituting in the above formula, we get;

$B=\frac{1}{2}(9 \cdot 12)$

Thus, the correct expression for the area of the base is $B=\frac{1}{2}(9 \cdot 12)$

Hence, the expression wrote by MAE is correct.

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3 years ago