Lesson 11.2: Areas of Triangles, Trapezoids, and Rhombus

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Presentation transcript:

Lesson 11.2: Areas of Triangles, Trapezoids, and Rhombus Geometry CP Mrs. Mongold

Area of a Triangle h h b A = bh h b

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 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 = d1d2 d1 d2

Find the area of the rhombus.

One diagonal of a rhombus is half as long as the other diagonal 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?

b1 A = h(b1+b2) h b2 median A =h x median h

Find the area of the trapeziod.

Find the area

Trapezoid QRST has an area of 210 square yards. Find the height of QRST.