Answer:
A ≈ 43.3 cm²
Step-by-step explanation:
the area (A) of an equilateral triangle is calculated as
A =
( s is a side of the triangle )
given perimeter = 30 cm , then
s = 30 cm ÷ 3 = 10 cm
then
A =
=
= 25
≈ 43.3 cm² ( to the nearest tenth )
Ten ounces the mass would be 0.625
Answer:
it is a test I am not going to help
Step-by-step explanation: