3/10 + 2/6
use their lowest common multiple — which is 30 so:
3/10 -> 9/30 (multiply by 3)
2/6 -> 10/30 (multiply by 5)
then we can get the new equation of:
9/30 + 10/30 = 19/30
For a width of 25, the length will also be 25, so the area is 25² = ...
625.
_____
The rule is
area = width×(50 -width)
Answer:
5
Step-by-step explanation:
8/2 = 4
4 x 5 = 20
The central angle is about 74.8426. Try using the website Omni to help you out. It contains an arc length calculator.