Geometry mathematics topics
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Users questions: Known: AM, CM equally BAD and BCD, (1) If B = 32 , D = 38 , M the size of the request; (2) If B = m , D = n , verify: M = 1 * 2 ( B + D)
Experts answer:35 AM, BC's intersection P, AD, and CB intersection of the O set BAM for the x, BCM = y, then BAD = 2x, BCD = 2y B + BOA + BAO = D + COD + DCO B + BAO = D + DCO B +2 x = D +2 y32 +2 x = 38 +2 y x = 3 + y B + BAP + APB = M + CPM + PCM32 + x = M + y32 +3 + y = M + y M = 35 (also can do xy, directly with corner names )
Experts answer:35 AM, BC's intersection P, AD, and CB intersection of the O set BAM for the x, BCM = y, then BAD = 2x, BCD = 2y B + BOA + BAO = D + COD + DCO B + BAO = D + DCO B +2 x = D +2 y32 +2 x = 38 +2 y x = 3 + y B + BAP + APB = M + CPM + PCM32 + x = M + y32 +3 + y = M + y M = 35 (also can do xy, directly with corner names )
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