M and N are equilateral triangles. The scale factor of M to N is 8 : 4.1 and the area of triangle M is 320 square inche. find th
2 answers:
Answer:
84.05 square inches
Step-by-step explanation:
Given;
Area of M = 320 square inches
Scale factor of M to N = 8 : 4.1
Since M and N are equilateral, it means all 3 sides in triangle M are equal and all 3 sides in triangle N are equal
To find the area of triangle N, we have:
= 84.05 square inches
Therefore area of triangle N =
84.05 square inches
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Answer:
A
Step-by-step explanation:
The equation of a line passing through the origin is
y = mx ( m is the slope )
To find m use the slope formula
m = ( y₂ - y₁ ) / ( x₂ - x₁ )
with (x₁, y₁ ) = (1, 1) and (x₂, y₂ ) = (- 1, - 1) ← 2 points on the line
m = =
= 1
y = x ← is the equation of the line → A