Find the area of a square with a diagonal of 4cm.

1 answer:

3 0

Let the side length be s. Then sqrt(s^2+s^2) is the length of the diagonal.

sqrt(2s^2) = 4 cm, so 2s^2 = 16 cm, and s^2 = 8, so that s = 2sqrt(2).

The area of this square is s^2, which here is 4(2), or 8 square units (answer)

You might be interested in

A garden is 22.5 ft wide and 58.1 ft long. How many square feet is the garden?

KATRIN_1 [288]

Hey!!

Solution,

Length(l)=58.1 ft

breadth(b)=22.5 ft

Now ,

Area of rectangle=l*b

 =58.1*22.5

 =1307.25 ft^2

Hope it helps

Good luck on your assignment

6 0

3 years ago

Read 2 more answers

Please answer this question

laila [671]

The answer is B all angles are right angles.

6 0

4 years ago

Read 2 more answers

Karen makes $5 per hour babysitting and $12 per hour giving music lessons. One weekend, she worked a total of 18 hours and made

Ganezh [65]

Answer:

11hrs babysitting

Step-by-step explanation:

4 0

3 years ago

Using the interquartile range (IQR), determine if the data set contains any outliers. Name the outlier or choose No outliers.

Yuki888 [10]

I would say the outlier is B. I’d say B because it’s way bigger than the other numbers on the graph.

4 0

3 years ago

A club decides to sell T-shirts for $12 each as a fund-raiser. It costs $20, plus $6 per T-shirt to make the T-shirts. Write and

Elza [17]

You would need to sell 20 shirts to make a 100 dollar profit.

4 0

3 years ago