How to find the area of an equilateral triangle

Practice Questions

ISEE Upper Level (grades 9-12) Quantitative Reasoning › How to find the area of an equilateral triangle

Questions

$\Delta ABC$ is an equilateral triangle. Points are the midpoints of $\overline{AB},\overline{BC},\overline{AC}$ , respectively. $\Delta DEF$ is constructed.

Which is the greater quantity?

(a) The area of $\Delta ABC$

(b) Twice the area of $\Delta DEF$

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