Answer:
13) 270 + 20 - 15 = 275
Step-by-step explanation:
270 as his beginner weight and 20 added and then 15 dropped
14) -24 + 38 = 14
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Answer:
in △abc, the sides ab and ac are produced to ∠p and ∠q respectively. if the bisectors of ∠pbc and ∠qcb intersect at a point o. prove that ∠boc = 90 - ½ ∠a.