the length, breadth and height of a room are 9m 80 cm, 8 m 40 cm and 4m 20 cm respectively. find the longest tape which can measure all three dimensions of the room exactly.(g. c.f)

mean, 40.6

step-by-step explanation:

47 - 90 = 43

43 - 180 = x

x = 137

d 25 pi/6

step-by-step explanation:

the diameter is 10 inches

the radius is 1/2 of the diameter or 5 inches

the area of the circle is

a = pi r^2

  = pi 5^2

  = 25 pi

the slice is 60 degrees of the entire circle.

60 degrees out of 360   60/360 = 1/6

the area of the slice is 1/6 of the circle

a slice = 1/6 a circle

a slice = 1/6 * 25 pi