Find, in radical form, the length of a diagonal of a square if the perimeter of the square is 20.

Step-by-step explanation:

one side of the square = 20/4 = 5units

By PT,

diagonal = ±√(5^2 + 5^2) = 5√2 or -5√2 (rej since diagonal > 0)

therefore diagonal length is 5√2 units.

Topic: Pythagoras theorem

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step-by-step explanation:

. + λrh() e 1 1 2 4 4 4 4 4 3 4 4 4 4 4 + th−1(− s(x)2 dx ω + λrh−1() e 2 1 2 4 4

step-by-step explanation: