Answer:
125.6m^2
Step-by-step explanation:
Let R be the greater radius and r be the smaller radius
Area of the sidewalk = R^2 - r^2 - This can be the expression
= 3.14
=(R^2-r^2)
=(11^2-9^2)
=(121-81)
= 40
= 3.14 x 40
Answer:
Equivalent ratios are just like equivalent fractions. If two ratios have the same value, then they are equivalent, even though they may look very different! In this tutorial, take a look at equivalent ratios and learn how to tell if you have equivalent ratios.
Answer:
24 students.
Step-by-step explanation:
25% is 1/4 of 100.
6*4= The number of students.
Answer:
10:35
Step-by-step explanation:
Well, using a+b=c , it would mean that 12+b=35. therefore b would equal 23 if that’s what you’re looking for
