Home Maths Straight Line JEE Main 2019 Let S be the set of all triangles in the xy-…
Maths Straight Line JEE Main 2019 Single Correct MCQ
Published on: August 14, 2026

Let S be the set of all triangles in the xy-plane, each having one vertex at the origin and the other two vertices lie on coordinate axes with integral coordinates. If each triangle in S has area 50 sq. units, then the number of elements in the set S is:

A
9
B
18
C
36
D
32

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Verified by Experts
The correct answer is:
B

JEE Main 2019

One of the possible is and

Area of

But or

For or and or

Total possible pairs are 8.

Total possible pairs for or are

And for total possible pairs are 4.

Total number of possible triangles with integral coordinates are .

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