Question

Fan and Medal for answers to 2 geometry multiple choice questions

Answer 1

for first question u may use the external angle formula :
\(\large \text{external angle } = \dfrac{\text{far arc} - \text{near arc}}{2} = \dfrac{100-30}{2}\)

Answer 2

simplify

Answer 3

35

Answer 4

ty

Answer 5

and what do i do for the 2nd one

Answer 6

I think it is 90

Answer 7

yw ! for 2nd one, use below :
sum of angles in quadrilateral = 360

Answer 8

90 is right !

Answer 9

Thanks so much!!!!

Answer 10

np :)