ID : in-7-Pythagoras-T heorem [1]
Class 7
Pythagoras' Theorem
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Choose correct answer(s) from the given choices
(1) If the distance between B and D is 34 meters, find the distance between A and C.
a. 30 meters b. 38 meters
c. 29 meters d. 33 meters
(2) If the base and height of a right-angled triangle are 60 m and 91 m, respectively. What is the length
of the hypotenuse?
a. 109 m b. 107 m
c. 110 m d. 113 m
Fill in the blanks
(3) If ∠A is a right angle, the perimeter of the triangle is meters (All dimensions are in meters).
(4) Gita (height 86 cm) and Vandita (height 205 cm) are standing in a ground. If the distance between
their toes is 120 cm, the distance between their heads is cm.
(5) Ashish is walking in the north direction. After walking for 85 meters, he takes a left turn and walks
for another 132 meters. He is at a distance of meters from the starting point.
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ID : in-7-Pythagoras-T heorem [2]
(6) Ridhima is walking in the south direction. After walking for 9 meters, she takes a right turn and
walks for another 3 meters. She then takes a left turn and walks for 3 meters. She again takes a
right turn and walks for another 13 meters. She is at a distance of meters from the starting
point.
Check True/False
(7) Sides measuring 56 cm, 68 cm, and 33 cm make a right-angled triangle.
True False
Answer the questions
(8) Find the length of the longest straight line that can be drawn on a paper of size 5 cm X 12 cm.
(9) The hypotenuse of a right-angled triangle is 40 m long. If one of the remaining sides is 24 m long,
what is the length of the remaining side?
(10) Find the total length of all the lines shown in the figure.
(All dimensions are in cm).
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