In ΔDEF, the measure of ∠F=90°, FD = 3.3 feet, and DE = 3.9 feet. Find the measure of ∠D to the nearest degree.
2 answers:
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Answer:
A.
Step-by-step explanation:
We have been given a diagram. We are asked to find the measure of angle RST.
We can see that angle RST is formed by intersecting chords inside the circle, so its measure would be half the sum of intercepted arcs as:
Therefore, the measure of angle RST is 62 degrees.