Find the area of triangle ABC in terms of its sides only, and without using Heron’s formula. For the solution to this problem…
Category: Department
Test Yourself 86: Another Missing Part
Given the angles shown, what is angle BDC? The solution can be found HERE
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…
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,…
FeedBack
Stay In Your Lane Thanks to Wendy Lathrop for her always insightful contributions through her Vantage Point column. This month’s issue (July/August 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…
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…
GLO Record of the Week: Chesapeake and Ohio Canal Historical Park
This week’s record is of the Chesapeake and Ohio National Historical Park. This specific survey was accepted on Jan. 22, 2003, and depicts…
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…
GLO Record of the Week: Wahsatch, Utah
This week’s Record comes to us from Summit County, Utah. This survey plat of Township 5 North Range 7 East of the Salt…