The length and the breadth of a rectangle are in the ratio 9 : 5. If its area is 180 m 2 ; the length (longest side) of the rectangle is : 1. 36 m 2. 20 m 3. 10 m 4. 18 m

Given: The length and the breadth of a rectangle are in the ratio 9 : 5. The area of the rectangle is 180 m 2 . Let the length of the rectangle be 9a and the breadth of the rectangle be 5a. As we know, the area of the rectangle = length x breadth ⇒ 180 m 2 = 9a x 5a ⇒ 180 m 2 = 45a 2 ⇒ a 2 = m 2 ⇒ a 2 = 4 m 2 ⇒ a = m ⇒ a = 2 m So, the length of the rectangle is 9a. = 9 x 2 m = 18 m Hence, option 4 is the correct option.

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Mathematics

The length and the breadth of a rectangle are in the ratio 9 : 5. If its area is 180 m²; the length (longest side) of the rectangle is :
36 m
20 m
10 m
18 m

Area Trapezium Polygon

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Mathematics

The length and the breadth of a rectangle are in the ratio 9 : 5. If its area is 180 m²; the length (longest side) of the rectangle is :
36 m
20 m
10 m
18 m

Area Trapezium Polygon

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Mathematics

The length and the breadth of a rectangle are in the ratio 9 : 5. If its area is 180 m2; the length (longest side) of the rectangle is :36 m20 m10 m18 m

Area Trapezium Polygon

Related Questions

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The length and the breadth of a rectangle are in the ratio 9 : 5. If its area is 180 m²; the length (longest side) of the rectangle is :
36 m
20 m
10 m
18 m

Use the information given in the given figure to find:
(i) the length of AC.
(ii) the area of △ ABC.
(iii) the length of BD, correct to one decimal place.

The adjacent sides of a rectangle are 16 m and 9 m. The length of the square whose area is equal to the area of the rectangle is :
16 m
18 m
12 m
72 m

The area of a square, with perimeter 16 cm is :
16 cm²
8 cm²
12 cm²
128 cm²