Lcm of 420 and 210

MATHS

LCM = 420

Step-by-step explanation:

What is the LCM of 210 and 420?

Step 1:

Find the prime factorization of 210

210 = 2 × 3 × 5 × 7

Step 2:

Find the prime factorization of 420

420 = 2 × 2 × 3 × 5 × 7

Step 3:

Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the LCM:

LCM = 2 × 2 × 3 × 5 × 7

Step 4:

The required LCM

LCM = 420

Therefore, we conclude that:

LCM = 420

126.66 m²

step-by-step explanation:

the pertinent area formula is a = πr², where r is the radius.

here, a = π(6.35 m)² = 40.32π, or approximately 126.66 m²

30 feet

step-by-step explanation:

that would be 2 1/2 * 12

= 24 + 6

= 30 feet   (answer)