Answer:
Total cost of polishing the floor is Rs/500.
Step-by-step explanation:
The floor consists of 2000 tiles which have the shape of a rhombus.
Area of rhombus = ![\frac{d_{1} *d_{2} }{2}](https://tex.z-dn.net/?f=%5Cfrac%7Bd_%7B1%7D%20%2Ad_%7B2%7D%20%7D%7B2%7D)
Where:
and
are the diagonals.
Given that:
= 40 cm = 0.4 m
= 25 cm = 0.25 m
Then,
Area of each tile = ![\frac{0.4*0.25}{2}](https://tex.z-dn.net/?f=%5Cfrac%7B0.4%2A0.25%7D%7B2%7D)
= ![\frac{0.1}{2}](https://tex.z-dn.net/?f=%5Cfrac%7B0.1%7D%7B2%7D)
= 0.05 ![m^{2}](https://tex.z-dn.net/?f=m%5E%7B2%7D)
Area of each tile is 0.05
.
Since there are 2000 tiles on the floor of the building, then;
Total area covered by the tiles = 0.05 x 2000
= 100 ![m^{2}](https://tex.z-dn.net/?f=m%5E%7B2%7D)
The total cost of polishing the floor = 100 x Rs/5
= Rs/500
Answer:
Step-by-step explanation:
Given question is incomplete: Find the compete question in the attachment.
a). Skew lines neither the parallel lines nor they intersect each other.
Two pairs of skew lines are BF and EH, & CG and EF.
b). Since EFGH and ABCD are rectangular planes and BF and DH are perpendicular to them,so both will be the altitudes between the planes.
Therefore, BF and DH will pe parallel.
c). BD and DH are the diagonals of the planes parallel to each other.
Therefore, BD and DH will be parallel.
d). Since BD and plane EFG don't intersect each other, so the solution will be an empty set.
e). HG is perpendicular to DH. So,the planes BDH and FHG containing these lines will be perpendicular to each other.
Answer:
52°
Step-by-step explanation:
By remote interior angle theorem of a triangle:
115° = 63° + x° ( x is the vertical angle of one interior angle of the triangle)
x° = 115° - 63°
x° = 52°
x = 52
Answer:
y = 2x - 4
Step-by-step explanation:
Can I ask which variable you are solving?
PS I will assume you need the formula y=mx+b
-2x + y = - 4
Here you would translate the m and x variables to the right side making them positive.
y = 2x - 4
Now the formula is in proper form
Answer:
0.75
Step-by-step explanation: