Answer:-9
Step-by-step explanation:
71-62=9
62-53=9
53-44=9
It is negative because the numbers are decreasing
If shapes are congruent, then they are mathematically equal (same dimensions, angles etc.). So just locate where the angle x is on both triangles, it should have a value on or a calculable value on the other. If you provide us with the actual sheet I could walk you through it.
Answer:
≈39.27 units
Step-by-step explanation:
To find the area of a semi circle, you use the formula for finding the area of a circle, which is 
, and then you divide that by 2 since it is half of a circle.
In this case, 
≈ 78.54
= 39.27
Answer:
33
Step-by-step explanation:
7x3=21
4x3=12
21+12=33