Question

Can someone please check my answers?

A yard has a square gate that has an area of 8 square meters.

1. What is the height of the gate in meters?
Answer: 28 meters

2.How many feet would that be?
Answer: 8.4 feet

3. If each side was 1 foot longer, what would be the area of the gate in square feet?
Answer: 88.36


Carry wants to frame a square picture, which has an area of 950 square inches.

4. How long is each side of the picture?
Answer: 30.61 inches

5.What is the perimeter of the frame?
Answer: 122.44 inches

6.She has another square picture with an area of 1200 square inches. How long is each side of this picture?
Answer: 34.6 inches

7. How much is that in centimeters?
Answer: 87.884

Answer 1

1. For a square, area = height^2, so
height = √area. It needs to be < 3. Do you mean 2.8? The decimal point makes a big difference.

2. 1 meter = 3.28 feet, therefore 2.8m = ? ft

3. Wrong answer for 2 makes this wrong.

4. √950 ≠ 30.61

5. Wrong answer for 4 makes this wrong.

6. 3.4641 inches (Were you asked to round?)

7. 34.641 inches ≠ 87.884 cm

Answer 2

Sorry, yes I forgot the decimal in number 1.

On number 2, on my paper is says that 1 meter equals about 3 feet so I just multiplied 2.8 by 3 and got 8.4.

On number 3, would that now be correct because I have 2 correct?

On number 4, we had to estimate and not use a calculator

On number 7, should it be 87.98814?

Answer 3

With you answer to 2, 3 would be correct.

4. You don't have an "estimate" to two decimal places. An estimate is just a close guess. My "estimate" would be 30 or 31.

5. If 4 is correct, so is this.

7. right

Answer 4

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