luximartinez
28.06.2019 •
Mathematics
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
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Ответ:
it is solved easily in diagram
in case of any mistake u can comment
Ответ:
EXPLANATION
4y - 3x = 16
4(0.25) - 3(-5) = 16
1 -3(-5) = 16
1 + 15 = 16
16 = 16
-x - 8y = 3
-5 - 8(0.25) = 3
-5 - 2 = 3
-7 = 3
Doesnt solve equation B
(Please mark me brainliest it would be much appreciated)