Question

7. In the given figure, find ZA + 2B + ZC + D + ZE + ZF.
[Hint: ZA + ZC + ZE = 180° (why?)
ZB+ D + ZF = 180° (why?)
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Answer 1

Answer:

in triangle ACE

<A+<C+<E = 180°

similarly in triangle BDF

<B+<D+<F =180°

so,

<A+<B+<C+<D+<E+<F

=180° + 180° =360°