il. Triangle ABE and CDE are similar because:
a.
All sides are equal
2. The shadow of a girl is equal to the height of the lamp-post
c. Angle B and Angle E are common
d. Both are related to the same length of the shadow
II. AB denotes the and CD- after walking for 4 seconds away from the lamp-po
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A girl of height 90 cm is walking away from the base of a lamp-post at a speed of 1.2 m/s. If the lamp is 3.6 m above the ground, find the length of her ...
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Let AB denote the lamp-post and CD the girl after walking for 4 seconds away from the lamp-post (see Fig. 6.32). From the figure, you can see that DE ... More
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