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18 questions · timed · auto-graded

Question 41 Mark
Find the area and the height of an equilateral triangle whose side measure is : 6.4 m (Take $\sqrt{3}=1.73$ in each case)
Answer
$17.7152 m^2$
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Question 81 Mark
The legs of a right triangle are in the ratio $3: 4$ and its area is $1014 cm^2$. Find its hypotenuse.
Answer
65 cm
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Question 141 Mark
Find the perimeter and area of a rectangle having : Length = 1 m 25 cm, Breadth = 80 cm
Answer
$410 cm, 10000 cm^2$
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Question 151 Mark
Find the perimeter and area of a rectangle having : Length 6 hm, Breadth = 8 dam
Answer
$1360 m, 48000 m^2$
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Question 161 Mark
Find the perimeter and area of a rectangle having : Length = 8 m, Breadth = 9 dm
Answer
$178 dm , 720 dm ^2$
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[1 Mark Question Answer] - MATHS STD 7 Questions - Vidyadip