Question

#3 i don’t get it pls help

Answer 1

∠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°