Question

please help i have no idea how to solve this
What is the value of d to the nearest tenth?
A. 54.8
B. 78.0
C. 69.2
D. 72.1

Answer 1

multiply the parts of each chord and set them equal to each other

Answer 2

how do you mean? like 36(d)=75(34.6)

Answer 3

@phi i got D, is that right ?

Answer 4

36(d)=75(34.6)

exactly
to find d, divide both sides by 36
d= 75*34.6/36

Answer 5

Thank you !

Answer 6

I get 72.08333...
rounded to the nearest 10th, 72.1
yes, choice D