khushiii64
khushiii64
22-10-2017
Mathematics
contestada
#3 i don’t get it pls help
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mreijepatmat
mreijepatmat
22-10-2017
∠CBD + ∠DBE + ∠52° = 180° . But ∠CBD = ∠DBE (given). then:
∠ 2DBE +52° = 180° AND ∠2DBE = 128° AND ∠DBE =64°
In the right triangle EBD, E= 90°, ∠DBE = 64°, THEN:
∠D = 180°-(90°+64°) AND D = 26°
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