The front left line of the rectangle is 12 cm

The front base of the rectangle is 3 cm
The side base of the rectangle is 4 cm

First, we will use side lengths blank in the Pythagorean Theorem to find the diagonal length of the base rectangle. Second, we will use 12 and the length we found in step one to solve for the diagonal of the prism. The length of the diagonal of the prism is blank.

Blank one
3 and 4
3 and 12
4 and 12
Blank 2
12
13
14

1 answer

To find the diagonal of the rectangular base of the prism, we can use the Pythagorean Theorem.

  1. The lengths of the rectangle's base are given as 3 cm (front base) and 4 cm (side base).

Using the Pythagorean theorem:

\[ d^2 = a^2 + b^2 \]

where \(a = 3\) cm and \(b = 4\) cm, we calculate the diagonal \(d\):

\[ d^2 = 3^2 + 4^2 = 9 + 16 = 25 \]

\[ d = \sqrt{25} = 5 \text{ cm} \]

So, Blank 1 is referring to the side lengths used in the Pythagorean theorem, which are 3 and 4.

  1. Now, we will use the diagonal of the base (5 cm) and the height of the prism (12 cm) to find the diagonal of the prism using the Pythagorean theorem again.

The formula for the diagonal \(D\) of the prism now becomes:

\[ D^2 = d^2 + h^2 \]

where \(d = 5\) cm (the diagonal of the base) and \(h = 12\) cm (the height of the prism):

\[ D^2 = 5^2 + 12^2 = 25 + 144 = 169 \]

\[ D = \sqrt{169} = 13 \text{ cm} \]

So, Blank 2 for the diagonal of the prism is 13 cm.

Putting it all together:

  • Blank 1: 3 and 4
  • Blank 2: 13
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