ПОМОГИТЕ!!! срочно!!!!!!!!!!!!!!
P₁ =AB+BM+MA=AB +BC/2 +AM =(2AB +BC+2AM)/2 =(AB+AC+BC+2AM)/2 =
=(P+2AM)/2 = P/2 +AM =72/2 +12 =36+12 =48 2)
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AB+BM =AC +CM = 1/2P ⇒ P₁ =(AB+BM)+MA = P/2 +AM .
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