Download Chapter 9 – Section 7: Special Right Triangles March

Accelerated Geometry
Chapter 9 – Section 7: Special Right Triangles
From textbook pages 409-411.
9. Given:
Find:
TRWX is a kite ( TR  WR and TX  XW ).
RY = 5, TW = 10, YX = 12
a) TR
b) WX
15. Find the perimeter of the isosceles trapezoid EFGH.
16. Given:
Find:
PK is an altitude of isosceles trapezoid JMOP
PK = 6, PO = 8, J  45
The perimeter of JMOP
17. Using the figure, find
a) VS
b) ST
c) VT
d) The ratio of the perimeter of VSR to the
perimeter of VRT
Name _______________________________
March 2008
Accelerated Geometry
Chapter 9 – Section 7: Special Right Triangles
Name _______________________________
March 2008
18. One of the angles of a rhombus has a measure of 120. If the perimeter of the rhombus is 24, find the
length of each diagonal.
19. Find, to the nearest tenth, the perimeter of the trapezoid.
20. Any regular hexagon can be divided into six equilateral triangles by drawing the three diagonals shown.
Find the span of a regular hexagon with sides 12 dm long.
21. Any regular octagon can be divided into rectangles and right triangles. Here, a side of the central square
is 6 units long.
a) Find the perimeter of the octagon.
b) Find the span of the octagon.
22. Find the altitude to the base of the isosceles triangle shown.
Accelerated Geometry
Chapter 9 – Section 7: Special Right Triangles
24. Find x and y.
25. Given:

AB = AD = 4
A  60, C  45
Find:

ABCD is a trapezoid DC AB .
a) DC
b) BC
Name _______________________________
March 2008