Answer:
1.02 cm²
Step-by-step explanation:
An equilateral triangle is a triangle with all three sides of equal length.
The perimeter of the triangle made by Lawrence is 18 cm. Which is calculated as follows:
perimeter of equilateral triangle = 3*side
Therefore, each side is 18/3 = 6 cm long
Area of equilateral triangle = √3/4*side²
Area obtained by Lawrence = √3/4*5.8² = 14.57 cm²
Actual area of the triangle = √3/4*6² = 15.59 cm²
Absolute Error = | Measured Value - Actual Value |
Absolute Error = |14.57 - 15.59| = 1.02 cm²
