The perimeter of a rectangular land is 90m. Its length is 7m longer than its width. The area of this land is
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The perimeter of a rectangular land is 90m. Its length is 7m longer than its width. The area of this land is ....
Half the circumference of the land is:
90:2=45 {cm}
Land width is:
{45-7}:2=19 {cm}
Length land is:
19+7=26 {cm}
Area of this land is:
26x19=494 {\(cm^2\)}
Đ/S:494\(cm^2\)
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Question 8:
The perimeter of a rectangular land is 90m. Its length is 7m longer than its width. The area of this land is .
Given the rectangular land and its length is 3/4 km . Its width is shorter than its length by 1/12 km.
Then the area of land is ......... km2 (round to one decimal place)
Given the rectangular land and its length is 3/4 km . Its width is shorter than its length by 1/12 km.
Then the area of land is ......... km2 (round to one decimal place)
:
The semiperimeter of a rectangle is 12cm. The length is 4cm longer than the width. What is its area?
(the semiperimeter of a rectangle is half its perimeter)
Answer: Its area is ......
diện tích là:
((12+4):2) x ((12-4):2)=32(cm2)
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a rectangular plot of land has perimeter 470m, width is 3/2 length. Calculate the area of that rectangle?
Given the rectangular land and its length is \(\frac{3}{4}km\). Its width is shorter than its length by \(\frac{1}{12}\) .
Then the area of land is \(km^2\)
(round to one decimal place)
The length is: 3/4 + 1/12 = 5/6km
Area of land is: 3/4 . 5/6 = 5/8km2
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sai rồi bạn ơi shorter là ngắn hơn mà đáp án là 0.5 km^2
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What is the perimeter of the rectangle if the area of its is 35cm2 and its width is shorter than its length by 2cm ?
the perimeter of a rectangular garden is 200m. Its length is 75 m. Find its width.
