In the figure given below, O is the center of the circle with a radius of 5 cm. Find the length of chord DC if the perpendicular from the center is 4 cm in length?
Question 3
3.
Use the diagram below to find BT and the length of the radius.
If BA= 20 and AT= 21, find BT:_______ .
If AT=12 and ST=4, find the length of the radius:_______ .
Question 4
4.
SR and ST are tangent to circle C. Find the value of x.
Question 5
5.
Use the diagram below to answer the questions.
If m<BCA=98, then Arc BEA=_______ .
If Arc BE= 62, then what else equals 62? _______
If m<CAB= 33 degrees, then Arc BC=_______ .
If segment AB is a diameter and m<CHB= 64, then:
Arc AC=_______
Arc BC=_______
Question 6
6.
Using the Intersecting Chord Theorem, find x.
Question 7
7.
EXTRA CREDIT!
Solve for the lengths of each median of the triangle △QPR as shown in the given figure, if SV = 11mm, TV = 9 mm, and UV = 14 mm.
Question 8
8.
EXTRA CREDIT!
Consider the triangle in the image below. Solve for x using the geometric mean theorem. Then, solve for y.