____1 How long will the longest chord be if the radius is 20 cm long
a. 15 cm b. 20cm c. 30 cm d. 40 cm
____2 What is the measure of < SAY is a semicircle and < SAD =70°
a. 20 b. 70 c. 110 d. 150
____3 What is the value of PR if No = 15 and Es= 6
a. 28 b. 24 c. 12 d. 9
____4 What is the measure of BO if < BMO = 60
a. 120 b. 60 c. 30 d. 15

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