find the value of unknown angle in the following figure
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Answer:
A = 90⁰
B = 120⁰
C = 2w⁰
D = w⁰
Sum of the angles of a quadrilateral = 360⁰
= <A + <B + <C +<D = 360⁰
= 90⁰+ 120⁰+ 2w⁰+ w⁰
= 210⁰+2w⁰+w⁰
= 210⁰÷2= w⁰
=15⁰ = w⁰
= < C= 2×15= 40⁰
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