Question

Please tell I will mark you as brainliest , don't spam. 1.)Side of square is 4cm. Length of its diagonal is______.
2.)The length of the longest chord of the circle with radius 2.8 cm is ____.
3.)The curved surface area and the total surface area of______is same.
4.)What do you call the point of intersection of two axis?
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Answer 1

Given that:

Side of square is 4cm

To find:

Length of diagonal of the square

Solution:

diagonal²=side²+side²

=> d²= 4²+4²

=> d²=16+16

=> d²=32

=> d=√32

=> d=√16×2

=> d= 4√2

Answer:

So, Length of diagonal of the square is 4√2