Answer:
second option
Step-by-step explanation:
Under a rotation about the origin of 90°
a point (x, y ) → (- y, x )
A^2+B^2=C^2 so 16+25=81 then no ,but it can be an obtuse triangle because the equation a^2+b^2
Answer:
1. 48
2. 96
3. 2.16
4.252
Step-by-step explanation:
Average = mean = sum of the values / number of data
Values = h, j, and k
Number of data = 3
Sum of the values = h + j + k
Mean = [h + j + k] / 3
=> Answer: option c. [h+j+k] over 3