Katie wants to buy a bicycle that costs $129. this as $24 more than 3 times what she saved last month. how much did she save last month

Katie saved $35 last month.

Step-by-step explanation:

we are given that, Katie wants to buy a bicycle that costs $129.

This is $24 more than 3 times what katie saved last month.

Let Katie, saved $x last month.

So we can write

step-by-step explanation:

there is a formula i can give you:

it is r^2*n*sin(360/n) divided by 2 where r represents the "radius" and n is the number of sides.

plug them in:

(10sqrt(3))^2*6*sin(360/6) divided by 2

100*3*6*sin(60) divided by 2

900*sin(60)

900*sqrt(3)/2

450*sqrt(3)

approx is 779.4 cm^2