Find the length of the unknown side. Round your answer to the nearest tenth. 20 m 12 m b
1 answer:
The length of the unknown side is 16 meters
<h3>What is a right triangle?</h3>A right triangle is a triangle that has one of its angles to be 90 degrees
The length of the unknown side is calculated using the following Pythagoras theorem.
Evaluate the exponents
Collect like terms
Evaluate the like terms
Take the square root of both sides
Hence, the length of the unknown side is 16 meters
Read more about Pythagoras theorem at:
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Answer:
2.
3.
Step-by-step explanation:
We add like terms together to simplify
2. 3x²-4x²= -x² -2x+5x= 3x 6+9= 15 all equal to -x²+3x+15
3. 2x²-3x²= -x² 6x-7x= -x 8+1=9 all equal to -x²-x+9