terrillt63
terrillt63 terrillt63
  • 25-06-2016
  • Mathematics
contestada

A ladder is resting against a wall. The ladder and the ground make and angle of 45° and the ladder is 7 ft from the wall. How long is the ladder

Respuesta :

Kunchan
Kunchan Kunchan
  • 25-06-2016
let's assume the ladder's long as x
 sin 45 = 7/x
1/2^0.5 = 7/x
x = 7*1.414
x = 9.9 m
so long of the ladder is 9.9 m
Answer Link
Bubba
Bubba Bubba
  • 25-06-2016
The ladder is about 12 ft. long.
Answer Link

Otras preguntas

2L+2W=4(L-W+7) if the rectangles width is 8 inches, what is the length? What is its perimeter?
a causes a living organism to react
A class of 20 music student say they play instruments 8 play guitar and 9 play piano how many people play both
Please help top and bottom.
Write a doubles fact you can use to find the sum
On Thursday, Emily cycled 88 kilometers in 4 hours. On Friday, she cycled at an average of 3 kph faster. What was her average rate on Friday? A. 7 kph B. 25 k
in a basketball game 96 points were scored the winners scored twice as many as the loser how many points did each team scored??
What is the life span of a monkey?
Change the percent to a decimal: 12%
During the ____________ of culture shock a person is excited about and interested in all of the new cultural experiences he/she is having.