Arectangular floor is 21 feet long and 9 feet wide

For this case we have that the area of the rectangle is given by:

Where:

a: It is the length of the rectangle

b: It is the width of the rectangle

According to the data we have to:

Replacing the data we have:

Finally, the floor area is

throw the computer

step-by-step explanation:

answer: 75°

step-by-step explanation:

∠esk is the supplement of ∠edk, so is 100°. ∠esd = 1/2·arc ed, so is 25°.

since ∠esk = ∠esd + ∠dsk

you have 100° = 25° + ∠dsk . .

fill in known values 75° = ∠dsk . . . . .

subtract 25°

step-by-step explanation: