A decorative steel frame is shown below
It is made of a circular section ad 6 stems
The lenght of each stem is 45cm
work out the total lenght of steel used in the frame

A decorative steel frame is shown below It is made of a circular section ad 6 stems The lenght of each stem is 45cm work out the total lenght of steel used in t class=

Respuesta :

Answer:

552.78

Step-by-step explanation:

45 x 6 =270

2πr = r x 2 x 3.142 = 45 x 2 x 3.142 = 282.78

270 + 282.78