Δpqr has sides pq and pr measuring 983 and 893 units respectively. How many such triangles are possible with all integral sides?
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In ABC:
AB = 10 | BC = 15 | AC = x
Using property:1
10+15 > x | 25 > x | x < 25
15 + x > 10 | x > - 5 | x > 0
10 + x > 15 | x > 5 | 5 < x
Combining we get: 5 < x < 25
Integral values of x = 6, 7, 8, 9, 10, ….., 24 = 19 values
Using Property 2:
15 - 10 < x | 5 < x
x - 15 < 10 | x < 25
10 - x < 15 | - 5 < x | x > - 5 | x > 0
Combining we get: 5 < x < 25
Integral values of x = 6, 7, 8, 9, 10, ….., 24 = 19 values
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