20 ,six times 70 equals 420 and five times eighty equals 400
Answer:
1 is -47.
2 is -20
3 is 16.
4 is 33.
Step-by-step explanation:
Brainiest?
Answer:
The approximate area of the regular pentagon is 423 sq.cm.
Step-by-step explanation:
Formula of area of regular pentagon =
P=Perimeter of pentagon
a=Apothem
Side of pentagon = 14.1 cm
Perimeter of pentagon =
Apothem=12 cm
Area of regular pentagon =
Hence the approximate area of the regular pentagon is 423 sq.cm.
First one is equal to thats all i know
Hello :
the midepoint is( (-1+7)/2 ; (3+2)/2)
(3, 5/2) ... answer C