Answer:
(a is size of side of triangle)
the perimeter of equilateral triangle =3a
or, 36=3a
Thus, a = 13cm
area of equilateral triangle
=√3/4*(a^2 )
=√3/4*(13^2)
=73cm^2
Answer:
Equation with variable
Step-by-step explanation:
Answer:
20 are cows 10 chickens 20 times 4 is 80 10 times 2 equals 20 80+20=100
Step-by-step explanation:
Answer:
a, x, y
Step-by-step explanation:
