Question
Two congruent equilateral triangles with sides of length 1 are connected so that they share a side. Each triangle has a height of h. Express the area of the shape in terms of h.
- h2
- h
- 2h
Hint:
draw the figure as described to get a clear picture of the problem.
The correct answer is: h
The 2 congruent triangles form a parallelogram when connected with base length = 1 and height = h
We know that area of a parallelogram = base x height
= 1 x h = h
Hence, the area of the figure is h sq units.
the above stated problem can be better understood with this picture.
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