What is the value of x in the diagram below?A. 88B. 100C. 95D. 151
Accepted Solution
A:
the figure is four sided so it a heptagonfor a heptagon, the sum of all interior angles is 900°i.e. x+(x+50°)+(x+50°)+(x+50°)+×+×+(x+50°)=900°or, 7x+200°=900°or, 7x=700°or, x= 100°