Find the area of a regular polygon with 100 sides with a perimeter of 100 units
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Answer:
A:102
Step-by-step explanation:
We are given that the points A(0,0),B(0,4a-5) and C(2a-+1,2a+6) form a triangle.
If angle ABC=
We have to find the area of triangle ABC
If angle ABC= 90 degree
From given below figure
Substitute the values then we get
B(0,17) and C (12,17)
Distance formula
AB=
BC=
BC= units
Area of triangle =
Substitute the values
Then we get
Area of triangle ABC=
Area of triangle ABC=102 square units
Answer: A: 102
