Skills Practice Workbook - Glencoe

15–6
Coordinate Proofs
Skills Practice
Position and label each figure on a coordinate plane. 1–5. Sample answers given.
1. a square with sides m units long
D (0, m)
O
y
C (m, m)
B (m, 0)
A (0, 0)
2. a right triangle with legs p and r units long
O
y
Z (0, r)
X (0, 0)
Y (p, 0)
3. a rhombus with sides c units long
y
S (a, d)
O P (0, 0)
x
Q (c, 0) x
x
R (c � a, d)
4. an isosceles triangle with base d units long and heights s units long
1 A (� 2d,
0)
O
y
C (0, s)
1 B ( 2d,
0)
x
5. a rectangle with length x units and width y units
x
D (� 2,
y)
x
A (� 2,
0)
NAME DATE PERIOD
O
y
x
C ( 2,
y)
x
B ( 2,
0)
x
© Glencoe/McGraw-Hill 90 Geometry: Concepts and Applications