Answer:
second answer
Step-by-step explanation:
the circumference of a whole circle (pizza) is
2×pi×r = 2×pi×20 = 40pi in
the whole circle (pizza) is 360°.
so, 27° represents 27/360 of the whole pizza :
27/360 = 3/40
so, the length of the crust of that pizza slice is
40pi × 3/40 = 3pi in
