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A rectangle has two dimensions, length and width. You haven't said what the width is.

The perimeter is the distance around the rectangle. Imagine going round it. You would go 42 inches, then a width, then another 42 inches, then another width.

In general, the perimeter of a rectangle is twice its length plus twice its width.

Q: What is the perimeter of a rectangle with length 42 inches?

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The perimeter of a rectangle is 42. Meters. The length of the rectangle is threemeter less than twice the width.Mar

2 (x + 2x) = 42 x + 2x = 21 3x = 21 Therefore, x = 7 The width of the rectangle is 7 inches. The length of the rectangle is 14 inches.

The area of Joseph’s rectangular homework desk is 1,008 square inches. If the length of his desk is 42 inches, how wide is his desk?

Its dimensions are 6 inches by 7 inches because 2(6+7)=26 inches and 6*7=42 square inches

Perimeter of rectangle: 16.5+4.5+16.5+4.5 = 42 units

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The perimeter of a rectangle is 42. Meters. The length of the rectangle is threemeter less than twice the width.Mar

2 (x + 2x) = 42 x + 2x = 21 3x = 21 Therefore, x = 7 The width of the rectangle is 7 inches. The length of the rectangle is 14 inches.

Perimeter = width*2 + length *2 112 = 14 * 2 + length * 2 56 = 14 + length length = 56 - 14= 42

The perimeter of a 9.5 x 11.5 inch rectangle is 42 inches. To find the perimeter of a rectangle we use the formula Length * 2 + Width * 2 That gives us the following expression. 9.5 * 2 + 11.5 * 2 19 + 23 42

The dimensions of the rectangle are 3 inches by 14 inches

The perimeter is 42 metres.

Perimeter = 168 inches so 4*length of side = 168 inches Length of side = 168/4 = 42 inches So area = 42*42 = 1764 square inches.

The area of Joseph’s rectangular homework desk is 1,008 square inches. If the length of his desk is 42 inches, how wide is his desk?

The perimeter of the rectangle is 42 units

Area of rectangle: 6 times 7 = 42 square inches

Its dimensions are 6 inches by 7 inches because 2(6+7)=26 inches and 6*7=42 square inches

42 <insert unit> squared.