Formula valid for all polygons: P =______________
2 answers:
Answer:
perimeter = sum of all sides. this is same for polygons
rect: area l×b. peri = 2(l+b)
Step-by-step explanation:
15+5 = 20
20*2 = 40 cm is the perimeter of the given figure
Answer:
P = <u>40 cm</u>
Step-by-step explanation:
Here,
- We can see that the given polygon is a rectangle.
- The length and breadth of rectangle is 15 cm and 5 cm.
As we know that the formula of perimeter of rectangle is :

- P = Perimeter
- L = Length
- B = Breadth
Substituting all the given values in the formula to find the perimeter of rectangle :

Hence, the perimeter of rectangle is 40 cm.

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