Question

please give question no 6,7,8​

Answer 1

que 7

( i) y =110 by v.o.A

y + x = 180 by corresponding angle

110 + x = 180

x = 70

(ii) 2x + x =180 by corresponding angle

3x =180

x = 60

que 8 . angleABC = angleBCD so,

AB || CD 【 A.I.A 】 ------1

angle FEC + angle ECD = 180 so ,

EF || CD ------–---2

【 corresponding angle. 】

from 1 & 2

AB||EF

hence proved

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