2 years ago

two sides of a triangle measure 20 cm and 30 cm. which of the following could be the measure of the third side.

Mathematics

1 answer:

Alexandra [31]2 years ago

6 0

Answer:

the answer is b 6 cm your welcome

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1 year ago

Read 2 more answers

2. Find the distance between A (-1, 4) and B (1.-1)<br> 5.39<br> 5.19<br> 5.29<br> 5.09

Verizon [17]

<h3>Answer: A) 5.39</h3>

=====================================================

Explanation:

Apply the distance formula.

$d = \sqrt{ (x_1-x_2)^2+(y_1-y_2)^2}\\\\d = \sqrt{ (-1-1)^2+(4-(-1))^2}\\\\d = \sqrt{ (-1-1)^2+(4+1)^2}\\\\d = \sqrt{ (-2)^2+(5)^2}\\\\d = \sqrt{ 4+25}\\\\d = \sqrt{ 29}\\\\d \approx 5.38516\\\\d \approx 5.39\\\\$

You could also use the pythagorean theorem which is what the distance formula is based off of.

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3 years ago