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- Question
The area of a square is 49 mm. What is the length of each side?
Options- A. 5mm
- B. 6mm
- C. 7mm
- D. 8mm
- Correct Answer
- 7mm
Explanation - 1. The area of a rectangle is 80 cm.If its length is 16 cm, what is its width?
Options- A. 5cm
- B. 10cm
- C. 15cm
- D. 20cm Discuss
- 2. A man walked diagonally across a square plot. Approximately what was the percent saved by not walking along the edges?
Options- A. 10%
- B. 20%
- C. 30%
- D. 40% Discuss
- 3. If a parallelogram with area p, a triangle with area R and a triangle with area T are all constructed on the same base and all have the same altitude, then
Options- A. P=R
- B. P=A
- C. P=A/2
- D. P=2R Discuss
- 4. Find the perimeter and area of a square that has a side of length 14 feet.
Options- A. 176
- B. 186
- C. 196
- D. 206 Discuss
- 5. If the area of a square with side a s equal to the area of a triangle with base a, then the altitude of the triangle is
Options- A. a
- B. 2a
- C. 5a
- D. 3a Discuss
- 6. Find the area of the rectangle or square with the given dimensions L = 5 inches, W= 3 inches?
Options- A. 13
- B. 14
- C. 15
- D. 16 Discuss
- 7. A wheelchair slalom event, athletes weave around cones and race to the finish line. A diagram of the rectangular course 30m length &16m bredth is shown. Find the the area of the course
Options- A. 480
- B. 560
- C. 180
- D. 460 Discuss
- 8. In a trapezium ABCD, AB || CD, AB < CD, CD = 6 cm and distance between the parallel sides is 4 cm. If the area of ABCD is 16 sq.cm, then AB is
Options- A. 1 cm
- B. 3 cm
- C. 2 cm
- D. 8 cm Discuss
- 9. The area of a circle is 346.5 cm2. Find its circumference (in cm).
Options- A. 132
- B. 38
- C. 66
- D. 76 Discuss
- 10. Find the total surface area (in cm2) of a cube of side 7.5 cm.
Options- A. 364.5
- B. 446
- C. 337.5
- D. 684 Discuss
Area problems
Search Results
Correct Answer: 5cm
Explanation:
A=LB
Correct Answer: 30%
Explanation:
let the side of the square be x meters
length of two sides = 2x meters
diagonal =
= 1.414x m
saving on 2x meters = .59x m
saving % = %
= 30% (approx)
Correct Answer: P=R
Explanation:
let each have base = b and height = h
then p = b*h, R = b*h and T = (1/2) * b*h
so P = R, P = 2T and T = (1/2)*R are all correct statements
Correct Answer: 196
Explanation:
Perimeter of a square p=4s ,where s=length of its side
=> p=4(14)=56 feets
Area of a square A = s x s
=> A=196
The perimeter is 56 feet, and the area is 196 square feet.
Correct Answer: 2a
Explanation:
Area of a square with side a = a² sq unts
Area of a triangle with base a = (1/2) * a * h sq.unts
a² =1/2 *a *h
=> h = 2a
altitude of the triangle is 2a
Correct Answer: 15
Explanation:
We know that,
Area of rectangle A = L x W = 5 x 3 = 15 sq.inches.
Correct Answer: 480
Explanation:
A = lw
Correct Answer: 2 cm
Correct Answer: 66
Correct Answer: 337.5
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