Working out angles II

This task is about working out unknown angles.

Question 1Change answer

angles diagram a
a)  What is the size of the angle marked 'a'?   degrees

Question 1Change answer

angles diagram b
b)  What is the size of the angle marked 'b'?   degrees

Question 1Change answer

angles diagram c
c)  What is the size of the angle marked 'c'?   degrees

Question 1Change answer

angles diagram d
d)  What is the sum of the five angles marked 'd', 'e', 'f', 'g', and 'h'?   degrees