3 years ago

In the following figure, what is the measure of the angle c, in degrees, to two decimal places?

Mathematics

1 answer:

steposvetlana [31]3 years ago

6 0

Step-by-step explanation:

tanX=8/13

x=tan-¹ 8/13

x=0.55

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STatiana [176]

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3 years ago

A triangular pyramid and its net are shown. Rain uses Calculations below to conclude that the surface area of a triangular pyram

Harman [31]

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Rain is correct, calculates correctly, 238.5 square inches

Step-by-step explanation:

The given triangular pyramid is shown with the dimensions.

The surface area of the triangular pyramid is given by :

$A=\frac{1}{2}\left(a \times b\right) + 3\left(\frac{1}{2}\times b\times s\right)$

$A=\frac{1}{2}\left(10 \times 8.7\right) + 3\left(\frac{1}{2}\times 10\times 13\right)$

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