Geometry, What is the measure of DFH?
What is the measure of angle DFH in the provided geometry diagram? You can view the diagram here: http://media.apexlearning.com/Images/200701/22/2df. Please select the correct answer from the options below:
A. 47°
B. 53°
C. 43°
D. 86°
1 Answers
Nov 15, 2024
There is a well-known theorem that the angle between two secants is half the difference between the intercepted arcs. In this case
m<DFH = 1/2 (m arc DH - m arc EG)
= 1/2 (133 - 47)
= 1/2 (86)
= 43
So the answer is C. 43
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