300m because area is Length x width and it's 3x as big as 10 meters it's 30 x 10= 300
Answer:
3
Step-by-step explanation:
4*3=12
3*3=9
5*3=15
So you find the number that can be multiplied or divided by each side the same to get the new number
Using the Pythagorean theorem:
c = sqrt(8^2 + 7^2)
c = sqrt(64 + 49)
c = sqrt(113)
c = 10.6
Last option is your answer ( 0.00000991)
