Answer:

Step-by-step explanation:
Given,
Area of a triangle = 78 square inches
Base of a triangle = 13 inches
Height of a triangle = ?
<u>Finding</u><u> </u><u>the</u><u> </u><u>height</u><u> </u><u>of</u><u> </u><u>a</u><u> </u><u>triangle</u>






Hope I helped!
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Answer:
Step-by-step explanation:
Answer:
28.27 ft²
Step-by-step explanation:
where
is the radius
Plug in 3 for the radius

(approximate answer when rounded to the nearest hundredth)
Therefore, the area of the circle is 28.27 ft².
I hope this helps!
Answer:
option (4)
Step-by-step explanation:
Calculate the length using the distance formula
d = 
with (x₁, y₁ ) = A(2, 2) and (x₂, y₂ ) = B(- 6, 4)
AB = 
= 
= 
= 
≈ 8.25 ( to 2 dec. places )