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AB, CD എന്നീ വരകൾ സമാന്തരങ്ങൾ ആണ് എങ്കിൽ x°=

A70

B110

C80

D120

Answer:

C. 80

Read Explanation:

DHK = BFH= 70° ഇവ സമാന കോണുകൾ ആണ്.

BFH= IFE = 70° എതിർ കോണുകൾ തുല്യമാണ് 

∆IFE ൽ

x° = IEF എന്ന കോൺ= 180 - ( 30 + 70)

= 80°


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