On a test that has a normal distribution, a score of 49 falls three standard deviations below the mean, and a score of 59 falls
1 answer:
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Answer:
Step-by-step explanation:
Co-ordinates of F, G and H are:
F (-4, 5)
G (1, 10)
H (-9, 10)
You can find the lengths of sides by using the distance formula:
<em>length</em>(FG) = =
units
Similarly,
<em>length</em>(GH) = 10 units
<em>length</em>(HF) = units
Hence, perimeter will be:
P = <em>length</em>(FG) + <em>length</em>(GH) + <em>length</em>(HF) = units