The standard deviation is the square root of the variance...so that means the variance is the standard deviation squared.
2.3^2 = 5.29 <===
Answer:
Step-by-step explanation:
AB is a midsegment.
<u>Property of the midsegment is midsegment is half the length of the parallel side of the triangle:</u>
<u>And</u>
Answer: 180
Step-by-step explanation: 8 +7 * 12= 180,
i hope this helps please mark brainliest!