Plane Geometry Review : Triangle Area calculation

Area Formulas 1.  Given base and altitude Triangle: Given base and height Area = 1/2 (b)(h) 2. Given two sides and an Angle  Triangle:  Given 2 sides and angle Area = 1/2 (a) (b)sin θ 3. Given 3 sides Triangle Given 3 sides a,b,c Area = sqrt (s(s-a)(s-b)(s-c))----->...

Engineering Mathematics : Plane Geometry Part 1

Fundamental Principles Angles Acute angle = less 90 deg Obtuse angle = more than 90 and less than 180 deg Straight angle =180 deg Vertex of the angle is point where two lines meet Supplementary angles have a sum of 180 deg Complementary angles have a sum of 90 deg The base angles of an isosceles (two...