Coach Jackson bought a new wrestling mat for the gym. The outside edge of the large circle is one-half foot from the edge of the mat. The wrestlers are out of bounds if they step outside the large circle while they wrestle. How many square feet, to the nearest whole number of square feet, are within the large circular area? Use 3.14 for π.

geometry: triangles

solvers

lessons

answers archive

call the larger triangle abc

then the smaller triangle cde is similar to abc (all angles are equal, aaa).  

ab is the side that is 36, and we wish to find de, the side corresponding to ab

area_cde = area_abc - area_cde --> area_abc / area_cde = 2

let x=length of de

ratio of areas = (ratio of sides)^2

+2+=+%2836%2fx%29%5e2+

+2+=+1296%2fx%5e2+

++x%5e2+=+1296%2f2+=+648+

25.45584

the 1st digit is in the 100s n its 1

step-by-step explanation:

3,589÷18 = 199.389

so the first digit of the quotient is in the 100s n its 1

it would take 7/10 of an hour too fill the pool.

step-by-step explanation: