Question 8:
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
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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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?
Fill in the blank with the suitable number (Note: write decimal number with the dot between number part and fraction part. Example: 0.5)Question 1:A classroom is 6.5 meters long and 4.2 meters wide. What is its area? Answer: Its area is ................................ (Write your answer by decimal in the simplest form)Question 2:The area of the trapezoid below is .........................Question 3:What is 50% of 824?Answer: .........................................Question 4:The perimeter of...
Đọc tiếp
Fill in the blank with the suitable number (Note: write decimal number with "the dot" between number part and fraction part. Example: 0.5)
Question 1:
A classroom is 6.5 meters long and 4.2 meters wide. What is its area?
Answer: Its area is ................................
(Write your answer by decimal in the simplest form)
Question 2:
The area of the trapezoid below is .........................
Question 3:
What is 50% of 824?
Answer: .........................................
Question 4:
The perimeter of the circle is ...........................cm
(Write your answer by decimal in the simplest form)
Question 5:
45% of M is 72. The value of M is ............................
Question 6:
A car traveled at a constant speed for 5 hours, covering a total distance of 301km. How far did the car travel for one hour?
(Write your answer by decimal in simplest form)
Answer: .............................
Question 7:
The perimeter of a rectangular land is 90m. Its length is 7m longer than its width. The area of this land is ..................
Question 8:
The value of m is ..........................
Question 9:
Anna multiply together the following numbers
How many zeros are there at the end of the product?
Answer: There are ................... zeros.
Question 10:
If and n is a natural number then n = ..........................
Question 1: 27,3
Question 2: 18
Question 3: 412
Question 4: 21,98 cm
Question 5: M=32,4
Question 6: 60,2
Question 7: 494
Question 8: m=9
Question 9: 4 zeros
Question 10: n=5
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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 ?