Two angles of a triangle are 45º each and its l...
Two angles of a triangle are 45º each and its longest side is 12cm. Find the length of one of the other sides
12cm
9√2cm
6√2cm
6cm
3√2cm
Correct answer is C
Two angles of a triangle are 45º each and its longest side is 12cm, this simply describes an isosceles triangle
two equal angles and two equal sides
using Pythagoras theorem,
x2+x2=122
2x2 = 144
x2 = 72( after dividing b/sides by 2)
x = √72=6√2cm.
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