Question

see this attachment

Answer 1

Did it, not sure if right. Used sin and cos.

Answer 2

Find the missing side?

Answer 3

No, the area

Answer 4

base = 21/(tan50)
area =( 1/2 )(21)(11+21/(tan50))

Answer 5

what did you get?

Answer 6

Find the base first. Then area of trapezium = (1/2)(upper base +lower base)(height)

Answer 7

I already have my answer. I want to compare it with yours.

Answer 8

300.5

Answer 9

I got 416.01

Answer 10

area =( 1/2 )(21)(11+11+21/(tan50))=416.02

Answer 11

So you were wrong, or are you trying to see what I did?

Answer 12

I miss a value while calculating the base

Answer 13

Sorry for that