Area of Triangles
The rectangle in the diagram has an area equal to 640 .
Points B and F are midpoints of sides AC and AE, respectively.
What is the area of triangle BDF in
by
Victor Paes Plinio
In a large equilateral triangle, we draw the incircle. We then draw a smaller equilateral triangle in the incircle.
What is the ratio of the area of the smaller equilateral triangle to that of the larger equilateral triangle?
by
Chung Kevin
A triangle has sides 15, 41, and 52. What is its area?
by
Bob Yang
is a right triangle and line segment is an altitude.
If and , then what is the area of ?
by
Zandra Vinegar
The diagram above shows a triangle, it is known that is a parallelogram, is a point on line , is a point on line . If the area of is 1, then the area of is...
This is one part of 1+1 is not = to 3.
by
Kenneth Tan