Answer:we know that all 3 sides are equal
so if side =a
then perimeter =3a
therefore
3a=6n-15
a=6n-15/3
a=2n-5
~Shoto Todoroki here~
Answer:
( n − 2 ) × 180
Step-by-step explanation:
The formula for calculating the sum of interior angles is ( n − 2 ) × 180 ∘ where is the number of sides. All the interior angles in a regular polygon are equal. The formula for calculating the size of an interior angle is: interior angle of a polygon = sum of interior angles ÷ number of sides.
hope this helps :))
Answer:
Step-by-step explanation:
i). 
= 8a²
ii). 
= 
= 
= 9a²b²c²
Ini bahasa apa ya saya tidak tahu
Answer:
4s
s+s+s+s
Step-by-step explanation:
