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2.
ABCD is a quadrilateral in which AD = BC and
DAB = Z CBA (see Fig. 7.17). Prove that
(1) A ABDEABAC
(11) BD=AC
(iii) 2 ABD= ZBAC.
B
Fig. 7.17
3. AD and BC are equal perpendiculars to a line
segment AB (see Fig. 7.18). Show that CD bisects
АВ.
2.
ABCD is a quadrilateral in which AD = BC and
DAB = Z CBA (see Fig. 7.17). Prove that
(1) A ABDEABAC
(11) BD=AC
(iii) 2 ABD= ZBAC.
B
Fig. 7.17
3. AD and BC are equal perpendiculars to a line
segment AB (see Fig. 7.18). Show that CD bisects
АВ.
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