Answer:
Explanation: As you make the segments smaller and smaller, the parallelogram becomes more of a rectangle with shorter side equal to the radius of the circle r and longer side πr - half of the circumference of the circle. Hence we get the formula πr2 for the area of a circle of radius r .
Step-by-step explanation:
Step-by-step explanation:
Let the required number be x.
According to the given information:
Hence the required number is 31.
Answer:
Step-by-step explanation:
Let angles are 2x,3x,5x
So given 2x=50
X=25.
3x=3×25=75.
5x=5×25=125.
Answer:
2x² + 13x + 15
Step-by-step explanation:
| 2x | 3
x | 2x*x = 2x² | 3*x = 3x
5 | 2x*5 = 10x | 3*5 = 15
We have, 2x² + 3x + 10x + 15
Combining like terms, we would have the final expression as:
2x² + 13x + 15
