Acc Geo Homework #17b TRIG WK#4a #17b p.395 #9 Given Trap ...

Acc Geo Homework #17b TRIG WK#4a
#17b p.395 #9 Given Trap PQRS
a) Find PQ and SR and verify that PQRS is an isosceles trapezoid.
b) Prove that the diagonals PR and QS are congruent.
p.427 #18 Challenging problem!!!! You can do it!! Hints on diagrams for 2 methods. Choose either one.
Find the height, PB, of a mountain whose base and peak are inaccessible. At point A the angle of elevation
of the peak is 30 degrees. One kilometer closer to the mountain, at point C, the angle of elevation is 35
degrees.
Chapter Review p.429
Problems #2, #3: Check with answers on assignment sheet
7. A 25-ft ladder just reaches a point on a wall 24ft above the ground. How far is the foot of the ladder from
the wall?
8. Find, to the nearest tenth, the altitude to the base of an isosceles triangle whose sides have lengths of 8, 6,
and 8.

Acc Geo Homework #17b TRIG WK#4a
9. If the altitude of an equilateral triangle is 8 3 , find the perimeter of the triangle.
10. What is the length of a diagonal of a 2 by 5 rectangle?
11. In the trapezoid shown, find RS.
12. Given: TVWX is an isosceles trapezoid.
TX = 8, VW = 12, ∠ V = 30°
Find: TV and TZ
13. Find the diagonal of a rectangular solid whose dimensions are 4, 3, and 12. (Draw a diagram and assign
values. It doesn’t matter how you assign the values – everyone’s final answer will be the same!)

Acc Geo Homework #17b TRIG WK#4a
14. Given: The regular square pyramid shown,
PR = 20, PS = 25
Find: The perimeter of base JKMO
15. In the rectangular solid shown, find AG to the nearest tenth if DC = 12, CG = 7, and AD = 4.
16. Given: AC ⊥ CB, DE||CB AC=15, AB=17, DE=4
Find: a) CB c) AE
24b) Find y.
b) AD d) EB

Acc Geo Homework #17b TRIG WK#4a
28. Follow the treasure map of Captain Zig Zag to see how far the treasure is from the old stump.
From the ol’ pirate
stump take ye 30
paces north, 6 paces
west, and then
another 25 paces
north, and there ye
find my treasure.
29. Given: Kite KITE with right angles KIT and KET
KP = 9, TP = 4
32. Given: Angle C is a right angle
E is the midpoint of AC
F is the midpoint of BC
AF = 41, BE = 2 26
Find: AB
33. The altitude to the hypotenuse of a right triangle divides the hypotenuse in the ratio 4:1. What is
the ratio of the legs of the triangle?
35. Find the edge of a cube whose diagonal is 7 3 .