80 likes | 224 Views
Areas of triangles, parallelograms, and rhombuses. May 23, 2008. Area of a triangle. A= (1/2) bh. Try these. b= 10, h= 3, A= b= 20, h= , A= 40. Area of a parallelogram. A= bh. Try this. Area of a rhombus. There are two ways to calculate the area of a rhombus. A= bh
E N D
Areas of triangles, parallelograms, and rhombuses May 23, 2008
Area of a triangle • A= (1/2)bh
Try these • b= 10, h= 3, A= • b= 20, h= , A= 40
Area of a parallelogram • A=bh
Area of a rhombus • There are two ways to calculate the area of a rhombus. • A=bh • A= (d1)(d2)/2