Lesson 11.2: Areas of Triangles, Trapezoids, and Rhombus
11
Lesson 11.2: Areas of Triangles, Trapezoids, and Rhombus Geometry CP Mrs. Mongold
-
Upload
arthur-long -
Category
Documents
-
view
219 -
download
0
description
Area of a Triangle h h b A = bh h b
Transcript of Lesson 11.2: Areas of Triangles, Trapezoids, and Rhombus
Lesson 11.2: Areas of Triangles, Trapezoids, and RhombusGeometry CPMrs. Mongold
Area of a Triangle
h
b
b
h
A = bh21
h
Find the area of the figure. Round to the nearest tenth if necessary.
The height of a triangle is 12 inches more than its base. The area of the triangle is 560 square inches. Find the base and the height.
Area of a Rhombus
A = d1d221
d1
d2
Find the area of the rhombus.
One diagonal of a rhombus is half as long as the other diagonal. If the area of the rhombus is 64 square inches, what are the lengths of the diagonals?
h
b1
b2
hmedian
A = h(b1+b2)21
A =h x median
Find the area of the trapeziod.
Find the area
Trapezoid QRST has an area of 210 square yards. Find the height of QRST.
