The figure below shows a triangle ABC with circumradius = 2.7. Angles ABD,
BCE, and CAF are congruent so that D, E, and F are on AF, BD, and CE,
respectively. If the area of triangle DEF is 1.02 and its circumradius is
0.9, find the area of triangle ABC.

See also: Typography and poster of problem 1408.

Geometry Problems

Ten problems: 1411-1420

Visual Index

Open Problems

All Problems

Triangle

Area

Triangle Area

Angles

Similarity, Ratios, Proportions

Circle

Circumcircle

View or Post a solution