Question

answer all for 30 points

Answer 1

Hey your answer in the pic.....

Property used in que 7:

Sum of two interior <s of a triangle is equal to the exterior < opp to the side on which the interior <s lie.

In que 8)

d + e + f = 180 bcz sum of all angles of triangle is 180 degree.

we get:

<e + <c = 180 (linear pair)

➡️ <e = 180 - <c

<a + <f = 180(linear pair)

➡️ <f =180 - <a

<b + <d = 180 (linear pair)

<d = 180 - <b

Que 9 - the fig is incomplete in the pic.

Answer 2

Hey mate solution of question no 8 are as under:-

<e + <c = 180 (linear pair)

➡️ <e = 180 - <c

<a + <f = 180(linear pair)

➡️ <f =180 - <a

<b + <d = 180 (linear pair)

<d = 180 - <b

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Thank u freind...