Answer:
a=7.1
b = 4.6
Explanation:
For the first triangle,
taking 45 as reference angle,
cos45 = b/h
or, cos45 = 5/a
or, a = 5/cos45
so, a = 7.07
so, a = 7.1
Again,
taking 60 as reference angle,
tan60 = p/b
or, tan60 = 8/c
or, c = 8/tan60
so, c = 4.6