Online Geometry theorems, problems, solutions, and related topics.
Geometry Problem. Post your solution in the comment box below.Level: Mathematics Education, High School, Honors Geometry, College.Details: Click on the figure below.
5)Alt ∆A1B2A4 is (a√3)/2. B4A5 = a -(a√3)/2 = (2a-a√3)/2 => B2B4= a√3-aarea =(B2B4)²/2 =(a√3-a)²/2 => a²(2-√3)6)area B3B2D3= 1/8 of B1B2B3B47)Like 5) find C1C38)Find area of 4 trapezoids D1D10D11D12 bases D1D10 and D1D12 alt (B3B4-C1C2)/2
1) ang B3B2D3=120:8=15 => Ang B2= 15+60+15=902) A3D4 bisector => A3D4 altitude of triangle A2A3B43) Red triangles D4D3C2 are congruent4) Tr D4A2D5 congr tr A2D5D6 => D4D5=D5D6