Will mark Brianliest !!!!!!! Please helppp!!!!!!!!!! Show your work correctly !!!!!!!!!!!!

Will Mark Brianliest Please Helppp Show Your Work Correctly class=

Answer :

Answer: 1st one

two-base angle are equal

let take a base angle as x

2x + 98 = 180

2x = 180 - 98

x = 2/2

x = 1

View image NUSRATHC