Lakshya Education MCQs

Question:  find the area of right angled triangle whose hypotenuse is 15 cm and one of the sides is 12 cm.
Options:
A.48 cm²
B.54 cm²
C.59 cm²
D.64 cm²
Answer: Option B
Explanation :

Submit Answer & Explaination

Earn Reward Points by submitting Detailed Explaination for this Question

More Questions on This Topic :

Question 1.  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
Answer: Option A
Explanation :
Question 2.  find the area of a triangle, two sides of which are 40 cm and 24 cm and the perimeter is 96 cm.
  1.    328 cm²
  2.    365 cm²
  3.    384 cm²
  4.    407 cm²
Answer: Option C
Explanation :
Question 3.  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
Answer: Option C
Explanation :
Question 4.  a square flowerbed is surrounded by a path 10 cm wide around it. if the area of the path is 2000 cm², find the area of the square flower-bed.
  1.    1000 cm²
  2.    1200 cm²
  3.    1400 cm²
  4.    1600 cm²
Answer: Option D
Explanation :
Question 5.  a painting is painted on a cardboard 19 cm and 14 cm wide, such that there is a margin of 1.5 cm along each of its sides. find the total area of the margin.
  1.    88 cm² 
  2.    89 cm² 
  3.    90 cm² 
  4.    91 cm² 
Answer: Option C
Explanation :
Question 6.  a rectangular lawn of length 50 m and breadth 35 m is to be surrounded externally by a path which is 2 m wide. find the cost of turfing the path at the rate of $3 per m².
  1.    356 m²
  2.    364 m²
  3.    372 m²
  4.    384 m²
Answer: Option A
Explanation :

Check all Questions in this Topic : Click HERE