In the figure, AB is a rod leaning against a vertical wall and it touches a rectangular block at P. The dimensions of the block is 20cmx16cm, and the rod make an angle of 30° with the horizontal. a. Find the length of the rod. Now the rode slides down until its angle with the horizontal becomes 20°. How far does tip B slide? 16cm; STR 2258 T www R-20cm-S -30° B

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Can you solve part B the circled one. 

1. In the figure, AB is a rod leaning against a vertical wall and it touches a
rectangular block at P. The dimensions of the block is 20cmx16cm, and
the rod make an angle of 30° with the horizontal.
a. Find the length of the rod.
2 Now the rode slides down until its angle with the horizontal becomes
20°. How far does tip B slide?
16cm
P
R-20cm-S
-30°
B
Transcribed Image Text:1. In the figure, AB is a rod leaning against a vertical wall and it touches a rectangular block at P. The dimensions of the block is 20cmx16cm, and the rod make an angle of 30° with the horizontal. a. Find the length of the rod. 2 Now the rode slides down until its angle with the horizontal becomes 20°. How far does tip B slide? 16cm P R-20cm-S -30° B
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