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What is the area of a rectangle with length 11cm and width of 9cm?
To find the area (A) of any rectangle, we multiply the length (l) by the width (w). In the case of a rectangle that is 11 cm by 9 cm, we do this:Arectangle = l x w = 11 cm x 9 cm = 99 cm2or 99 square centimeters.
A triangle sides are 8Cm 11Cm and 15Cm What is the triangles area?
Well, darling, to find the area of a triangle with those side lengths, you can use Heron's formula. So, plug in those side lengths (a=8, b=11, c=15) into the formula, calculate the semi-perimeter, and then solve for the area. Voilà, you've got yourself the triangle's area.
Find volume of a figure 11cm high by 9cm wide?
9 times 11 times the depth. You need 3 dimensions.
Area of a rectangle 7cm by 11cm?
77cm. That should've been quite obvious.... all you do is multiply 7 by 11 and BAM, you have 77!
What is the surface area of 20 cm 11cm 12 of a rectangular prism?
20 cm * 11 cm * 12 unspecified units will have a surface area of 440 cm2 + 744 cm*unspecified units.
