Help me plis What is the exact measurement of the line segment? A. B. C. D.
2 answers:
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Answer:
Surface Area = 282.6 cm²
Step-by-step explanation:
Formula: SA = 2rh + 2
r²
SA = 2rh + 2
r²
SA = 2(3.14)(5)(4) + 2(3.14)(5)
SA = 2(3.14)(5)(4) + 2(3.14)(25)
SA = 125.6 + 157
SA = 282.6 cm²
We will determine the length of the segment DF as follows:
*We have that the triangles are similar, and therefore the following is true:
Now, we solve for DF:
From this, we have that the length of the segment DF equals 2.68 units.