3 years ago

The formula for the volume of a pyramid is

Mathematics

1 answer:

Sergeeva-Olga [200]3 years ago

4 0

Answer: C and D

Step-by-step explanation:I just did it my bad for the late response.

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The perimeter of XYZ is ___ units.

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Look at the picture.

$ZY = 5+3=8$

For XY and ZX use the Pythagorean theorem.

$XY^2=3^2+4^2\\\\XY^2=9+16\\\\XY^2=25\to XY=\sqrt{25}\\\\XY=5$

$ZX^2=5^2+4^2\\\\ZX^2=25+16\\\\ZX^2=41\to ZX=\sqrt{41}$

The perimetero fo XYZ:

$P_{\triangle XYZ}=8+5+\sqrt{41}=\boxed{13+\sqrt{41}}$

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