How many faces does this figure have? O two O three O four O five

Mathematics

1 answer:

nekit [7.7K]3 years ago

4 0

Answer:

Three

Step-by-step explanation:

So to count the number of faces, you look for how many flat sides the the figure has. Looking at the shape, you see that it has a face on top, on the bottom, to the left and to the right, on the front and at the back.

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Find the size of angle YZX

Tasya [4]

Answer:

21.001 cm

Step-by-step explanation:

The diagram shows right triangle with

Hypotenuse ZY = 22.3 cm

Leg XY = 7.5 cm

By the Pythagorean theorem,

$XY^2+XZ^2=ZY^2\\ \\7.5^2+XZ^2=22.3^2\\ \\XZ^2=22.3^2-7.5^2\\ \\XZ^2=(22.3-7.5)(22.3+7.5)\\ \\XZ^2=14.8\cdot 29.8\\ \\XZ^2=441.04\\ \\XZ=\sqrt{441.04}\approx 21.001\ cm$