Geometryhard · Past Paper
What is the area of the triangle formed by joining the midpoints of the sides of a triangle with area 100 sq cm?
A50 sq cm
B25 sq cm
C20 sq cm
D10 sq cm
✓ Correct Answer: B — 25 sq cm
The four triangles formed by joining the midpoints are congruent and each has 1/4 the area of the original triangle. 100/4 = 25.
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