you just divide 2 by 10, which is
.2
A race track is in the form of a ring whose inner circumference is 157 m and outer circumference is 314 m. Find the area of the
1 answer:
You might be interested in
Answer:
- 494
Step-by-step explanation:
Breaking down the summation into it;s component parts
= 4k - k(k + 1) ← substitute k = 19
= (4 × 19 ) - 1.5 × (19 × 20)
= 76 - (1.5 × 380)
= 76 - 570
= 494