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Mathematics, 14.11.2020 06:20 maqle
In a diagram, line m is parallel to line n. They are crossed by transversals r and s. Finally, r and s are perpendicular to each other. It is known that ABE =126 as shown.
(a) What is the measure of DEB ? Justify.
(b) What is the measure of DEC ? Justify.
(c) What is the measure of BCE ? Justify
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