A.2 B.3 C.4 D.5 Refer to the figure. Find BC. A.2 B.3 C.4 D.5 Refer to the figure. Find BC. A.6.5 in. B.10.9 in. C.13 in. D.17 in. Find the length of the radius of the circle. A.6.5 in. B.10.9 in. C.13 in. D.17 in. Find the length of the radius of the circle. Concept Find Measures of Central Angles Find the value of x. Find Measures of Central Angles Substitution Simplify. Add 2 to each side. Divide each side by 26. The sum of the measures of Answer: Find Measures of Central Angles Substitution Simplify. Add 2 to each side. Divide each side by 26. The sum of the measures of Answer: x = 7 A.9 B.10 C.11 D.65 Find the value of x. A.9 B.10 C.11 D.65 Find the value of x. Concept Classify Arcs and Find Arc Measures Answer: Classify Arcs and Find Arc Measures Answer: Classify Arcs and Find Arc Measures Answer: Classify Arcs and Find Arc Measures Answer: Classify Arcs and Find Arc Measures Answer: Classify Arcs and Find Arc Measures Answer: A. B. C. D. A. B. C. D. A. B. C. D. A. B. C. D. Concept Find Arc Measures in Circle Graphs m LPK= 0.21(360)Find 21% of 360. = 75.6Simplify. Answer: Find Arc Measures in Circle Graphs m LPK= 0.21(360)Find 21% of 360. = 75.6Simplify. Answer: Find Arc Measures in Circle Graphs Sum of arcs in a circle is 360. Substitution Simplify. Answer: Find Arc Measures in Circle Graphs Sum of arcs in a circle is 360. Substitution Simplify. Answer: A B C D.165.9 A B C D.165.9 A B C D.201.4 A B C D.201.4 Concept Use Arc Addition to Find Measures of Arcs. Arc Addition Postulate Substitution= = 90 Answer: Use Arc Addition to Find Measures of Arcs Arc Addition Postulate Substitution= = 90 Answer: A.180 B.90 C.52 D.38 A.180 B.90 C.52 D.38 A.52 B.90 C.142 D.180 A.52 B.90 C.142 D.180 Concept Find Arc Length Arc Length Equation Substitution Answer: Use a calculator. cm Find Arc Length Arc Length Equation Substitution Answer: Use a calculator. cm Find Arc Length Arc Length Equation Substitution Use a calculator. Answer: Find Arc Length Arc Length Equation Substitution Use a calculator. Answer: Find Arc Length Arc Length Equation Substitution Use a calculator. Answer: Find Arc Length Arc Length Equation Substitution Use a calculator. Answer: A.3.56 cm B.3.77 cm C.3.98 cm D.4.21 cm A.3.56 cm B.3.77 cm C.3.98 cm D.4.21 cm A cm B cm C cm D cm A cm B cm C cm D cm A cm B cm C cm D cm A cm B cm C cm D cm