mrtuckerandrew mrtuckerandrew
  • 20-08-2020
  • Mathematics
contestada

there is a room 7 feet x 9 feet you lay a 1-foot wide plank from corner to corner touching all 4 walls how long is the plank

Respuesta :

dannielle
dannielle dannielle
  • 20-08-2020

Answer:

Step-by-step explanation:

l^2=[(7-V2)/2]^2+(9-V2/2)^2=

49-7V2+2/4+81-9V2+2/4=

49+81+4/4-16V2=

131-16V2=108.4 ft

so l=V108.4≈10.4ft

Answer Link

Otras preguntas

suppose there is a 1.2 F drop in the temperature for every thousand feet that an airplane climbs into the sky . if the temperature on the ground is 61.7 F what
Now that you’ve learned about different points of view among colonists faced with the decision to support independence or remain a part of Great Britain, it’s t
Pls help rn plspsloslsplsspslspsapspapspspspsp
produced by etching an image onto a flat surface, then copying the etched surface by applying ink (or some equivalent) to it and pressing another material again
A bakery sells donuts, cupcakes, and cookies. The cost of 1 donut is $0.60 and the cost of 1 cupcake is $0.50. If the cost of 5 cupcakes and 1 cookie is the sam
Which expression is equivalent to -12(3x -3/4)?
Which property could be used to separate a mixture of metal paper clips and plastic paper clips? Responses mass mass solubility in water shape magnetism
29. pls help need to answer this question
*******100 POINTS********* PLEASE GIVE A FULL ANSWER!! I WILL MARK BRAINLIEST FOR THE BEST ANSWER! Monday 3x+1 Tuesday 4x+22=99 Wednesday 6x +44 Thursday 2x+
which function does a motherboard's chipset perform?