Question

In the given figure, the arcs are all semicircles on diameter. If PQ=QR=RS=ST=2cm, find the total length of the spiral


Plzz help. I will mark you as Brainliest.

Answer 1

Answer:

$\pi \times 2(4 + 8) \div 2$

answer 37.68

Answer 2

Step-by-step explanation:

length of semicircle QR

2πr=2π1=2π

length of QS

r=2+2=4

2πr=8π

length of PS =2π(2+2+2)=12π

so, on length of PT=2π×8=16π

TOTAL length of spiral=38π