Quiz 3 (math 10)

The Lord’s Wisdom Academy of Caloocan,Inc. 1162 Santolan St. Corner Guyabano St. Area D.,Brgy. 178 Camarin, Caloocan City JUNIOR HIGHSCHOOL DEPARTMENT Math 10 Quiz No. 3 (2nd Quarter) Name: ______________________________ Grade/Section: Score: ________ Teacher: _________________Date: __________________Parent’s Signature_______ I. Fill in the blanks. 1. In the same circle, if the two chords are equidistant from the center, then the two chords are __________. 2. If a line l through the center of the circle P is perpendicular to the chord AB, the line _________ a chord and its arc. 3. In the same circle, if their central angles are congruent, then the two intercepted arcs are _________. 4. If all the vertices of all a quadrilateral lie on the circle, the opposite angles are ________. 5. Two circles with congruent radii are __________ circles. II. Using the figure at the right, O is the center of the circle. Solve the following. 1. , _________ 2. _________ 3. _________ 4. _________ 5. __________ lll. Answer the following:(2pts each) A. m∠ COB=30 degrees and m∠ OA=10 1. ________ 2. ________ 3. ________ 4. ________ 5. ________ lV. Solve the problem. (5pts) A. This is the portion of a broken circular plate. The problem is to determine the diameter of the plate. If you are given this information AB = 5, AC = 4, and BC = 3. What would be the diameter?