Answer:
Step-by-step explanation:
First let's find the area of the triangle, using the formula:
Now, let's find the area of each circular sector of 60° (internal angle of a equilateral triangle):
Now, To calculate the orange area in the center, we have:
Answer:
a = 327 m²
Step-by-step explanation:
Area of bed
r = 22/2 = 11
a = 3.14(11²)
a = 379.94
Area of bed and sidewalk
r = 11 + 4 = 15
a = 3.14(15²)
a = 706.5
Area of sidewalk
a = 706.5 - 379.94
a = 327 m² (rounded to whole number
Answer:
58 58 70 70 are the lengths of all the sides
0.453 is the correct answer.