Question

If a triangle has an area of 56sq. inches, with base 9 inches longer than its altitude, find the length of its base.

Answer 1

0.5 * x * (x-9) = 56

Answer 2

then ? whats next ?

Answer 3

solve for x for find it's base

Answer 4

then ?

Answer 5

saifoo.khan : can you complete the sol'n . thanks a lot :))

Answer 6

then you will get base.

Answer 7

Alright, sure.

Answer 8

thanks

Answer 9

0.5 * x * (x-9) = 56

x(x-9) =56/0.5

x^2 -9x = 112

x^2 -9x -112 = 0

Solve thequadratic equation, the solution which u will get will be:

x = 16, x = -7

Answer 10

did you get the answer?

Answer 11

i think 25 not 15 ?

Answer 12

Oh, my bad. :/

Answer 13

-7 will be neglected, so the altitude is 16. And the base is (16+9)=25units.

Answer 14

i hate such typos! >_<

Answer 15

its okay .. thanks a lot .. can answer this one .. pls ??

Answer 16

this one?

Answer 17

a rectangular cardboard is to be made into an open box by cutting a 2-cm sq. piece for each corner and turning up the sides. If the perimeter of the cardboard is 60 cm and the volume of the resulting box is 224 cm^3, what are the dimensions of the cardboard?

Answer 18

pls ?

Answer 19

ok, i have to get going to grab something to drink, i will br back in 2mins! :)