Answer:
55.3896
Step-by-step explanation:
A = πr²
A = 3.14 × 4.2²
A = 55.3896
Answer:
41.04
Step-by-step explanation:
thats the answer on khan academy :3 i hope this helps
Answer: 195 mm
Step-by-step explanation: You multiply 19.5 by 10 because you need to find out how many milimeters are in 19.5 cm,
Answer:
Multiply 2 polynomials first then multiply the factor with the last binomial if I understood correctly ☺
Step-by-step explanation: