SOLUTION: Edwin is building a skateboarding ramp by propping the end of a piece of wood on a cinder block. If the ramp starts 72 centimeters from the cinder block and the piece of wood is 90

Question 1174443: Edwin is building a skateboarding ramp by propping the end of a piece of wood on a cinder block. If the ramp starts 72 centimeters from the cinder block and the piece of wood is 90 centimeters long, how tall is the cinder block?

Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!


Hi



According to the diagram:
 h = 90cm
 a = 72cm
 b = height of cinder block
Pythagorean theorem:  a^2 + b^2 = h^2
  72^2 + b^2 = 90^2
use Your Calculator: b^2 = 90^2 - 72^2 = 2916
    b = √2916 = 54cm       (tossing out negative solution for length)


Wish You the Best in your Studies.

RELATED QUESTIONS
Scarlett is building a skateboarding ramp by propping the end of a piece of wood an a... (answered by PeanutTheCat,MathTherapy)

Edward wants to biuld a ramp for skateboarding. For every 2 feet of height, the ramp... (answered by Boreal)

SKATEBOARDING The angle that a skateboarding ramp forms with the ground is 25 degrees and (answered by drk)

A skateboarder is building a ramp. If the ramp is 12.5 feet tall and 15 feet long how... (answered by Cromlix)

A building needs a ramp to make it handicap accessible. By law, the ramp must run 10... (answered by Cromlix)

A building needs a ramp to make it handicap accessible. By law, the ramp must run (answered by ankor@dixie-net.com)

If a ramp starts at ground level 156 ft from the base of the platform and the angle of... (answered by stanbon)

A conveyor ramp carries heavy equipment up to an elevated platform. If the ramp starts at (answered by ankor@dixie-net.com)

A building has a ramp to its front doors to accomodate the handicapped. If the distance... (answered by sourbubble)