Question

Determine the range of the third side of triangle BRD?
BR= 60, RD= 40, BD = ?

Answer 1

what kind of triangle

Answer 2

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Answer 3

i want to know if it is 20 or if not 20

Answer 4

x + 60 > 40
x > -20

x + 40 > 60
x > 20

40 + 60 > x
100 > x
x < 100

Range 20 < x < 100

Answer 5

20 cannot be the range of the third side of triangle BRD.

Answer 6

Thanks @ezra0821