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Total Questions : 2556 | Page 14 of 256 pages
Question 131.  find the area of a triangle whose sides are 41 cm, 28 cm, 15 cm. also, find the length of the altitude corresponding to the largest side of the triangle.
  1.    6.1 cm
  2.    5.8 cm
  3.    4.7 cm
  4.    3.9 cm
 Discuss Question
Answer: Option A. -> 6.1 cm
Explanation :
Question 132.  the base and height of the triangle are in the ratio 3 : 2. if the area of the triangle is 243 cm² find the base and height of the triangle.
  1.    21 cm, 18 cm
  2.    17 cm, 15 cm
  3.    27 cm, 18 cm
  4.    25 cm, 28 cm
 Discuss Question
Answer: Option C. -> 27 cm, 18 cm
Explanation :
Question 133.  find the area of right angled triangle whose hypotenuse is 15 cm and one of the sides is 12 cm.
  1.    48 cm²
  2.    54 cm²
  3.    59 cm²
  4.    64 cm²
 Discuss Question
Answer: Option B. -> 54 cm²
Explanation :
Question 134.  abcd is a parallelogram in which ab = 20 cm, bc = 13 cm, ac = 21 cm. find the area of parallelogram abcd.
  1.    244 cm² 
  2.    248 cm² 
  3.    250 cm² 
  4.    252 cm² 
 Discuss Question
Answer: Option D. -> 252 cm² 
Explanation :
Question 135.  find the area of the rhombus having each side equal to 17 cm and one of its diagonals equal to 16 cm.
  1.    245 m²
  2.    240 m²
  3.    236 m²
  4.    237 m²
 Discuss Question
Answer: Option B. -> 240 m²
Explanation :
Question 136.  the base of the parallelogram is thrice its height. if the area is 192 cm², find the base and height.
  1.    21 cm, 14 cm
  2.    25 am, 4 cm
  3.    24 cm, 8 cm
  4.    32 cm, 10 cm
 Discuss Question
Answer: Option C. -> 24 cm, 8 cm
Explanation :
Question 137.  find the area of the rhombus having each side equal to 17 cm and one of its diagonals equal to 16 cm.
  1.    245 m²
  2.    240 m²
  3.    236 m²
  4.    237 m²
 Discuss Question
Answer: Option B. -> 240 m²
Explanation :
Question 138.  find the altitude of the rhombus whose area is 315 cm² and its perimeter is 180 cm.
  1.    2 cm
  2.    4 cm
  3.    5 cm
  4.    7 cm
 Discuss Question
Answer: Option D. -> 7 cm
Explanation :
Question 139.  the floor of building consists of 2000 tiles which are rhombus shaped and each of its diagonals are 40 cm and 25 cm in length. find the total cost of polishing the floor, if the cost per m² is $5.
  1.    $ 500
  2.    $ 300
  3.    $ 100
  4.    $ 50
 Discuss Question
Answer: Option A. -> $ 500
Explanation :
Question 140.  abcd is a trapezium in which ab ∥ cd, ad ⊥ dc, ab = 20 cm, bc = 13 cm and dc = 25 cm. find the area of the trapezium.
  1.    210 m²
  2.    240 m²
  3.    270 m²
  4.    310 m²
 Discuss Question
Answer: Option C. -> 270 m²
Explanation :

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