Question

Hermina cut a ft by ft piece of plywood down the diagonal.

A rectangle is 4 feet wide and 8 feet long. A diagonal cut is shown with a line labeled c. The cut divides the rectangle in half and creates two right triangles. The hypotenuse of each right triangle is the line labeled c.

What is the length c of the cut, in feet?

Answer 1

Answer:

$\sqrt{80} = c$ is the answer.

Step-by-step explanation:

We can solve this using the Pythagorean theorem.

We know we can use the pythagorean theorem because it has a 90 degree angle.

$a^{2}+ b^{2}= c^{2}$

We are given the sides 4 and 8.

$4^{2} + 8^{2} = c^{2}$

$80 = c^{2} \\\\\sqrt{80} = c$

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Answer 2

Answer:

Step-by-step explanation:

80 feet