Geometrymedium · Past Paper
If the side of an equilateral triangle is doubled, its area becomes:
A2 times
B3 times
C4 times
D8 times
✓ Correct Answer: C — 4 times
Area is proportional to the square of the side. (2s)^2 = 4s^2.
Share this question
More from Geometry
- Find the angle between the bisectors of two angles forming a linear pair.
- In a regular polygon, if the ratio of an interior angle to an exterior angle is 3:2, how many sides does the polygon have?
- The length of a tangent from a point 10 cm away from the center of a circle of radius 6 cm is:
- The area of a triangle with vertices (a, 0), (0, b), and (0, 0) is:
- Find the number of revolutions made by a wheel of diameter 1 m in covering a distance of 314 m. (Take pi = 3.14)