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136 x 13 = 1,768 square miles.

==> This is only true of the area is a rectangle, i.e. the corners are all square corners.

Q: How do you calculate an area in square miles if the length is 136 miles and the width 13 miles?

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What is the shape of the area? for a rectangle multiply the length in miles by the width in miles.

to calculate square feet its width X length 10x35 =350 or 20x17.5 =350

The formula for the area of the square is length multiplied by width.

It is the same as its length, and if that is not given, it is the square root of the area.

2*3 = 6 square miles

Related questions

What is the shape of the area? for a rectangle multiply the length in miles by the width in miles.

to calculate square feet its width X length 10x35 =350 or 20x17.5 =350

the formula for area of a square is length times width

The formula for the area of the square is length multiplied by width.

It is the same as its length, and if that is not given, it is the square root of the area.

In feet: Width x Length = Square Feet In inches: (width x length) /144= Square Feet

You cannot calculate the length and width of a room on its area alone. You could compute the square root of the area on the assumption that the room has a square shape, but you'd generally need the ratio of length over width.

2*3 = 6 square miles

In order to calculate the square footage you need to find the length and the width of the room in feet. You multiply the length and the width to give you the square footage of the room

it is a yard by a yard or length X width

Multiply the length by the width to get square footage.

area - width = length