Answer:

A=wl, 10x26=260 so it's 260cm

Answer:

Area of rectangle = L x W

where

W = 10

L = ?

given

Diagonal = 26

the diagonal is the hypotenuse of the triangle that was formed when the diagonal bisects the rectangle.

from these, we can solve for the Length of rectangle using Pythagorean Theorem

c² = a² + b²

where:

c = 26

a = 10 = width of the rectangle

b = L = ? Length of the rectangle

so,

c² = a² + b²

26² = 10² + L²

676 = 100 + L²

L² = 676 - 100

L² = 576

L = √576

L = 24 cm

Now we can solve for Area of Rectangle

Area of Rectangle = L x W

Area of Rectangle = 24 x 10

Area of Rectangle = 240 cm²

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