Answer:
Step-by-step explanation:
Given: See Attachment
Required
Determine the length of the legs
To do this, we apply Pythagoras theorem.
In this case:
Open Bracket
Collect Like Terms
Solving using quadratic formula:
So:
or 
Since, x can't be negative, then:
One of the leg is:
Step-by-step explanation:
Boys
Girls
Total last year 46
Total this year 48
Increase
If you are referring to the central angle, it would be 41 degrees.
It should be 6100 which rounded to the nearest ten gives 61 × 10²
Square both sides. (5-2x) - (2-x) = 1^2. 5 - 2x - 2 + x = 1. Simplify to get 3 - x = 1. X=2
