Answer:
BC = 35 units
Step-by-step explanation:
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So you need to make out the lengths for the triangle. For the height, you can subtract the short length (100) from the longer length (1250) to get the height of the triangle. The base is the length at the very top, 75. So right now you have 150 for height and 75 for the base. Now use the formula to get 75 root 5.
It's c because. 80 divided. by 2 equals 40 then add 27 that equals 67
The results of the experiment are shown in the frequency side
a) 14
b) 3600 Best guess 300*12