Answer:
D
Step-by-step explanation:
only b and d have the equation equal on both sides
and only D has it that 5 is the hypotenuse, and the opposite angle is 90 degrees
The perimeter of the entire rectangle is 12 cm.
Answer:
Step-by-step explanation:
Pi is a number - approximately 3.142. It is the circumference of any circle divided by its diameter. The number Pi, denoted by the Greek letter π - pronounced 'pie', is one of the most common constants in all of mathematics. It is the circumference of any circle, divided by its diameter.
First 100 decimal places
3.1415926535 8979323846 2643383279 5028841971 6939937510 5820974944 5923078164 0628620899 8628034825 3421170679 ...
<span>A direct variation means proportionality. Triangular numbers are quadratic in n. T(n)=n(n+1)/2. So no.</span>
9514 1404 393
Answer:
32 dm
Step-by-step explanation:
Use the formula for the area of a triangle, and solve for the unknown.
A = 1/2bh
200 dm² = 1/2(12.5 dm)b
b = (200 dm²)/(6.25 dm) = 32 dm
The base of the triangle is 32 dm.