Can’t even see the picture
Perimeter of circle = 2 pie r
Radius of circle = d/2 = 7/2
Perimeter of circle = 2 × 22/7 × 7/2 = 2×11 = 22cm
Answer:
P' (9 , 2)
Step-by-step explanation:
(x , y) -> (-y , x)
P (2 , -9) -> P' (9 , 2)
The side length is 2/√3 times the apothem length, so is 10 cm. The area is that of 6 triangles, each with base 10 cm and height 5√3 cm.
.. 6*(1/2)*(10 cm)*(5√3 cm) = 150√3 cm^2
.. ≈ 259.8 cm^2
