My Math Forum Two 3-D Trigo Geometry Problems without using vector or coordinate geometry

 Geometry Geometry Math Forum

 February 1st, 2017, 07:07 AM #1 Newbie   Joined: Feb 2017 From: HK Posts: 2 Thanks: 0 Two 3-D Trigo Geometry Problems without using vector or coordinate geometry Q3 In the figure, VPQRS is a right pyramid with a rectangle base of sides 6 cm and 8 cm. The length of each slant edge is 7 cm. Find the angle between the planes VQR and VRS. Q4 The figure shows a triangular pyramid VABC with AC=VB=6 cm, BC=9 cm, angle BVC = angle BAC =80. It is given that triangles ABC and VCB are congruent and the angle between the planes VBC and VBA is 70 degree. Find angle VBA and the angle between planes ABC and VBA.

 Tags 3-d, coordinate, geometry, problems, trigo, vector

 Thread Tools Display Modes Linear Mode

 Similar Threads Thread Thread Starter Forum Replies Last Post saha Algebra 3 October 5th, 2014 02:53 PM strangepath Geometry 5 April 4th, 2013 07:40 AM MathematicallyObtuse Geometry 2 January 12th, 2011 08:18 PM sheen_daphne Geometry 2 January 24th, 2009 08:18 AM cursed_mask Geometry 0 July 22nd, 2008 11:52 PM

 Contact - Home - Forums - Cryptocurrency Forum - Top