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Mathematics, 30.06.2019 04:20 chrisd2038

In isosceles △abc, ab = bc and ch is an altitude. find the perimeter of △abc, if ch = 84 cm and m∠hbc = m∠bac +m∠bch?


In isosceles △abc, ab = bc and ch is an altitude. find the perimeter of △abc, if ch = 84 cm and m∠hb

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In isosceles △abc, ab = bc and ch is an altitude. find the perimeter of △abc, if ch = 84 cm and m∠hb...
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