ZJSG09112007 ZJSG09112007

11-07-2021
Mathematics

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Find the size of the angles marked by letters in the following diagram.

Find the size of the angles marked by letters in the following diagram class=

Respuesta :

11-07-2021

a=132°

b=20°

Answer:

Solution given:

a=132°[exterior angle of a cyclic quadrilateral is equal to the opposite interior angle]

again

In ∆ BCO is similar to ∆ BOE

so

b=20°[corresponding angle of similar triangle are equal]

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