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Q: What is a measure of the number of square units needed to cover the outside of a figure or solid expressed in units squared?

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It could be a reflection with the mirror line outside the figure; it could be a rotation with the centre of rotation outside the figure; or it could be a translation.

pi r squared * * * * * That is such a rubbish answer! A rhombus is a plane figure and, as with any plane figure it is 2 dimensional. That means it cannot have a volume.

90 degrees

An equilateral triangle has all 3 sides the same length. To find the height of a triangle, draw a line from the tip top of the triangle to the middle of the base. You should see 2 triangles now inside your original triangle. We can use Pythagoras' theorem to figure out the length of this line, the height. This theorem will only work with right triangles, which (luckily) we have just created by drawing the height line inside the triangle. The P. theorem says that side squared + side squared = hypotenuse squared. Our hypotenuse is the left or right side of the original triangle, 6 cm. The line we drew down the center is one side, and HALF of the base is the other side for the P. theorem, since the height line of the triangle cuts the base exactly in half, and creates 2 right angles at the base. This line also creates 2 right triangles inside. This is why we can use the P. theorem to help us! But we'll only be using 1 of the inside triangles. (Even though, both are identical) side squared + side squared = hyp. squared (3 cm) squared + ??? squared = 6 squared 9 + ??? squared = 36 ??? squared = 36 - 9 ??? squared = 27 ??? = sqrt(27) We can simplify sqrt(27), or you can use a calculator to approximate it. sqrt(27) = sqrt(9*3) = 3 * sqrt(3)

Measure...is the length twice the width or 3 times. If so, then just multiply that amount, then figure like normal.

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It is the surface area of the solid.

Perimeter.

Measure the square's in, Area, Perimeter and centimeter squared

the perimeter of a figure is never squared, but the area of a figure is always squared. Hope this helped :)

volume is always cubed. squared is for a 2D figure.

It is cubed.

Five squared is 25. Six squared is 36. ? squared is 29. (It's between 5 and 6.)

pi times radius squared. :)

If you know the radius, double that to get diameter. If you have neither radius or diameter, then measure around the outside.

As expressed, three.

If the shape is circle then circumference. If any other form (non-symmetrical) then you can measure the area with integration from Calculus.

That depends on what figure you are talking about.

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