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Pythagora's Theorem Ex.10C

# Pythagora's Theorem Ex.10C - 3 Siu Ming walks from the...

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Liu Po Shan Memorial College F.2 Mathematics ( 10 -1 1 ) Worksheet Topic : Pythagoras’ Theorem Ex.10C Name : __________________(           ) Class : ____________ Date  __________________            Score : ____________ Chapter 10.3 Applications of Pythagoras’ Theorem Let’s Do Some Exercises! 1. In the figure, AB is tied by a metal string BC and fixed on the Wall AC, which formed a right-angled triangle. With the use of the Figure, find out the length of the metal string BC. (Give the answer correct to 2 significant figures.) 2. The figure shows that a tree is fixed by two pieces of string; each piece of string is vertically 80 cm above the ground and horizontally 40m away from the tree. Find out the length of these two pieces of string. (Give the answer correct to 3 significant figures.)

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Unformatted text preview: 3. Siu Ming walks from the school to point O in 15 minutes, then he walks to south in 20 minutes and arrived home. If his speed is 40m per minute, find out the distance between Siu Ming’s home and the school. 4. The staffs is decorating the venue of the Carnival, they use a rope to tie the flags on the lamppost AB. AB is 5m above the ground and the rope is pulled to the opposite 3m tall pole DC. If the distance between the lamppost and the pole is 4m, find out the length of the rope. (Give the answer correct to 3 significant figures.) 5. One 2.5m long ladder is laid on a vertical wall AC, the distance between the bottom of the ladder and the wall is 1m. Find out the distance between the top of the ladder and the ground. (Give the answer correct to 3 significant figures.)...
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Pythagora's Theorem Ex.10C - 3 Siu Ming walks from the...

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