desirekot desirekot

23-03-2019
Mathematics

contestada

Hey im struggling i need help pleaseee

Hey im struggling i need help pleaseee class=

Respuesta :

jimrgrant1 jimrgrant1

23-03-2019

Answer:

D

Step-by-step explanation:

The opposite angles of the inscribed quadrilateral are supplementary

∠A + ∠C = 180 and ∠B + ∠D = 180

∠B + ∠D = 93 + x + 30 = x + 123, hence

x + 123 = 180 ( subtract 123 from both sides )

x = 57 → D

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