Those two angles are complementary - which means they both give us 90 degrees. We know that all three angles in any triangle must be exactly 180 degrees, so the third angle will be 180 - 90 = 90 degrees. It means that our triangle is a
<u>straight triangle</u>. The figure will look more less like in the attachment.
So first of all we need to know that area is length times width
Area = L x W
since we know the area is 42 and the length is 12 lets plug those in
42 = 12 x W
now we dont know what W is yet but we can figure it out by dividing 42 by 12
42/12 = 3.5
So W = 3.5!
but its asking for the perimeter and we know that perimeter is all of the sides of the rectangle added up. Heres a picture
___3.5___
| |
| |
12 | | 12
| |
************
3.5
see now we just add those all up together:)
12 + 12 + 3.5 + 3.5 = 31!!
so our perimeter is 31 inches:)
have a good one
PICK ME BRAINLIEST!:D
Answer:
On the moon, both will land at the same time. The marble resistance is comparable to it's gravitational acceleration at very fast speed (terminal velocity), so it's free fall acceleration is halted fairly slowly where as the coin is able to accelerate at the same rate (9.8 m/s^2) to a higher speed before air resistance cancels out gravity.
Step-by-step explanation:
Ok
19 - 6m = -37
Substract 19 from both sides
-6m = -56
Now divide both sides by -6m
M=28/3
