Need it please help me to do this

COMMUNICATION

1. yes theres a problem, because the sum of all angles must be 540° for pentagon.

2a. x and y is 145°

THINKING

1a. (n-2) x 180

( 10-2) x 180

answer : 1440

b. (n-2) x 180 / n

(10-2) x 180 / 10

144

* for question 2b im not sure but I inserted the picture for some reference :)

hope this helps

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step-by-step explanation:

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step-by-step explanation:

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