Angle in a semi circle is 90°
<a = 180-90-<b = 90-28 = 62°
opposite angles of a cyclic quadrilateral sums up to 180°
<b + <a = 180
<b = 180-62
<b = 118°
Answer:
His son did.
Step-by-step explanation:
His son: 1/4 = 25%
Mr. Strand: 2/5 = 20%
They also need 55% more to wash or in other words 11/20.
Answer:

Step-by-step explanation:
Given: 
To find: 
Solution:
A relation is said to be a function if each and every element of the domain has a unique image in the co-domain.
Inverse of a function exist if it is both one to one and onto.

