Name: __________________________________
Period: _______ Date: _____________________
PreAP Geometry – Lesson 30-3: Areas of Rhombuses, Kites, and Trapezoids
Find the area of each shape described or shown.
1. The lengths of the diagonals of a rhombus that are 25cm and 40 cm.
2. Rhombus
3. Kite
12
in
4.
4 m
45°
4 m
5.
4 m
6 m
6.
7.
8. The length of one diagonal of a rhombus is 10 in, and its area is 70 in.2 Find the length of the
other diagonal.
9. A trapezoid has bases 12m and 8m and an area of 384m2. Find the length of the midsegment
and its height.
10. Find the length of the side of a square that has an area equal to that of a rhombus with
diagonals 9m and 8m.
11. Find the length of the long diagonal of a kite with short diagonal 16cm and area 144cm2.
12. If the perimeter of a rhombus is 20m and one diagonal is 8m, find the area of the rhombus.
13. Find the area of figure DEFGHJKL.