Open Question: geometry help please... really don't understand it (distance formula)?

13:24 Publicado por Flechado16

1. Find the area of the figure.
An equilateral triangle with sides of length 8.

a. 32 square root of 3 units to the 2nd power
b. 12 square root of 3 units to the 2nd power
c. 16 square root of 3 units to the 2nd power
d. 8 square root of 3 units to the 2nd power

2. Find the distance BF for the points B(1,-1) and F(-3,5)

a.distance = 5 square root of 2
b.distance = 13 square root of 2
c. distance = 2 square root of 13
d. distance = 2 square root of 5

3. Find the distance EA for the point E(-8,-2) and A(4,1)

a. distance = 3 square root of 17
b. distance = square root of 21
c. distance = square root of 17
d. distance = 17 square root of 3

4. Find the distance between the pair of points. Round your answers to the neareast hundredth.
(0,0) (5,8)

a. 9.68 units
b. 10.38 units
c. 9.43 units
d. 8.75 units

5. Find the distance between the pair of points. Round to the nearest hundredth
(-1,4) (-6,16)

a. 9.85 units
b. 7.26 units
c. 13 units
d. 17.49 units


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