Answer:
If `r` and `R` and the respective radii of the smaller and the bigger semi-circles then the area of the shaded portion in the given figure is: (FIGURE) `pir^2\ s qdotu n i t s` (b) `piR^2-pir^2\ s qdotu n i t s` (c) `piR^2+pir^2\ s qdotu n i t s` (d) `piR^2\ s qdotu n i t s`
Step-by-step explanation:
It can also be written as fifty-five.
Im guessing those are those brackets?
Answer:
The measure of angle < AED is 
Step-by-step explanation:
we know that
The measure of the interior angle is the semi-sum of the arcs comprising it and its opposite.
so

substitute the values and solve for x






-----> by supplementary angles
substitute value


Answer:
first one ig
Step-by-step explanation: