3 years ago

Could someone please help me?

Mathematics

1 answer:

Brilliant_brown [7]3 years ago

7 0

Answer:

Step-by-step explanation:

I'm not 100% but to find the area of a triangle you need to multiply length times width times height, then divide by .5. No promises this is right because I dont I have a calculator.

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Find the length of the third side. If necessary, round to the nearest tenth.

schepotkina [342]

Answer:

4.5

Step-by-step explanation:

To find the hypotenuse of a right triangle, we use Pythagorean's Theorem which states that $a^{2}+b^{2} =c^{2}$ . Plugging in the values of the two legs given, we get $2^{2} +4^{2} =c^{2} =20$ . We can take the square root of each side and get that $c=\sqrt{20} =4.5$ .