4. How can techno tangent to the Gunthat, what. a mPUE D in Oo on the ngnt mi - 45 and the length of the radius sem. What is the area of the shaded region in terms of ? A onom CO om Boma D12 om В с 12. the owce on the right what is the measure of RAST semicircle and m. SRA A 16 74 C100 Humont LUCK inscribed in OS m. LUC-ond MUCR77. Find mLLC. A 77 C 90 D 103 5 Mang Jose cut a circular board with a diameter 80 cm Then, the divided the board into 20 congruent sectors. What is the area of each sector? A 80 cm B 320 cm C. BOO cm D 1600 cm i Mary designed a pondant. It is a regular octagon set in a circle Suppose the opposite vertices are connected by Tine segments and meet at the center of the circle. What is the measure of each angle formed at the center? A 22.5 B 45 c. 67.5 D Part 1 Solve each of the following problems. Show your complete solutions 1. Mr. Jaena designed an arch for the top part of a subdivision's main gate. The arch will be made out of bent iron in the design, the 16 segments between the two concentric semicircles are each 0.7 meter long Suppose the diameter of the outer semicircle is 8 meters. What is the length, in whole meters, of the shortest iron needed to make the arch? 2. Ara fits tightly around two pulleys. What is the distance between the centers of the pulleys if the radil of the bigger and smaller pulleys are two Du is u crnony Shot by Shy
to in ou on the right, what is m..PRE M.PUR 567 A 28 C 50 D 124 it. In oo on the right mHT - 45 and the length of the radius is 8 cm. What is the area of the shaded region in terms of ? A 6 cm2 c10+ cm? B 8 cm2 D 12. cm2 45 H 8 cm 12. in the circle on the right what is the measure of SRT I AST is a semicircle and mSRA 74? 16 B 74 C100 D 154 13. Quadrilateral LUCK is inscribed in OS fm.LUC-96 and m.UCK77. Tindm.ZULK. A 77 96 77 B 84 C 90 D. 103 's H. Mang Jose cut a circular board with a diameter 80 cm. Then, he divided the board into 20 congruent sectors. What is the area of each sector? A 80 cm B. 320 cm C. 800 cm? D. 1600 cm is Mary designed a pendant. It is a regular octagon set in a circle. Suppose the opposite vertices are connected by fine segments and meet at the center of the circle. What is the measure of each angle formed at the center? A 22.5° B. 45 C. 67.5 D. 135 Part II Solve each of the following problems. Show your complete solutions 1. Mr. Jaena designed an arch for the top part of a subdivision's main gate. The arch will be made out of bent iron. In the design, the 16 segments between the two concentric semicircles are each 0.7 meter long Suppose the diameter of the outer semicircle is 8 meters. What is the length, in whole meters, of the shortest iron needed to make the arch?