All sides of an equilateral triangle are equal, so all three sides are 9 cm.
To find h, use the pythagorean theorem. This requires use of only one right triangle, where we use b as our h.
a^2+b^2=c^2
(4.5)^2+b^2=(9)^2
(20.25)+b^2=(81)
b^2=(81/20.25) or 4
square root both sides
b=2
Answer:
c
Step-by-step explanation:
took the test
Answer:
$34.86
Step-by-step explanation:
21 x 0.66 = 13.86
21 + 13.86 = 34.86
I can help!! But could you tell me what the equations are?
