dquezada21
21.08.2020 •
Mathematics
Find the base length for a triangle that has an area of 120m2 and a height of 12m. Thank you
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Ответ:
20
Step-by-step explanation:
The area of a triangle is calculated by multiplying height to the base and that divided by two
b × h ÷ 2 = 120
b × h = 240
b × 12 = 240
b = 20
Ответ:
correct answer is option 3:
Step-by-step explanation:
Given that
Ellipse passes through coordinates:
Points inside ellipse (5, 0) and (-5,0).
Given the options:
Let us try to put the coordinates in the options and check which equation gets satisfied.
Putting x = 0, and trying to find out y in option 1.
But, the points are
So, option (1) is false.
Putting x = 0 to find y in option 2.
y will have imaginary values so ellipse not possible at x = 0.
So, option (2) is false.
Putting x = 0 to find y in option 3.
Putting y = 0 to find y in option 3.
So, the points are satisfied.
Putting (5, 0) and (-5,0) in LHS of option 3:
i.e. both the points are inside ellipse.
Hence correct answer is option 3: