Quadrilateral GHJK 2 quadrilateral LMNP. Find the given side length or angle measure. (4x + 3) cm
H
(9y+17)
18 cm
(10)|
I
(6x - 13) cm
K
(11y - 1)
M
1. Find LM
2. Find m2H

Given: △acm, m∠c=90°, cp ⊥ am , ac: cm=3: 4, mp-ap=1. find am.

Given: ae ≅ ce ; de ≅ be prove: abcd is a parallelogram. we have that ab || dc. by a similar argument used to prove that △aeb ≅ △ced, we can show that △ ≅ △ceb by. so, ∠cad ≅ ∠ by cpctc. therefore, ad || bc by the converse of the theorem. since both pair of opposite sides are parallel, quadrilateral abcd is a parallelogram.

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