Isosceles triangle abc has three equal radii circles inscribed as shown. What is distance db if ad equals 1.000? For the solution to…
Author: Dave Lindell, PS
06.10.2023
Test Yourself 87: Beside Yourself
Find the area of triangle ABC in terms of its sides only, and without using Heron’s formula. For the solution to this problem…
04.16.2023
Test Yourself 86: Another Missing Part
Given the angles shown, what is angle BDC? The solution can be found HERE
12.04.2022
Test Yourself 85: Areas, again
In parallelogram ABCD area BCQ contains 77,554 square feet and area XQA contains 36,307 square feet. What is area CDXQ?. The solution to…
09.24.2022
Test Yourself 84: A Circles Circus
There are six areas in the drawing below: the quarter-circle, the semi-circle, the full circle, the deltoid triangle x-B-y, the circular triangle y-C-z,…
07.11.2022
Test Yourself 83: Everything’s Right
All of the circles are inscribed in right triangles. What is the value of R? For the solution to this problem, please click…
05.15.2022
Test Yourself 82: Three Chords in a Circle
Chord PR is on the bisector of chords PT and PS. What is the radius of the circle?. For the solution to this…
03.13.2022
Test Yourself 81: Half and Have
FPhrita wants to divide her property so that her sons, Phrank and Phred, each get an equal area and an equal perimeter. Find…
01.29.2022
Test Yourself 80: Gap Job
Points A, B, C, and D are all in line. What is the distance from B to C? For the solution to this…
12.12.2021
Test Yourself 79: Heirs2ya
In the wacky section shown all the original corners and quarter corners were recovered, and the quarter corners were on line and halfway…
