For a right isosceles triangle (45-45-90), there is one line of symmetry that bisects the hypotenuse. For all other right triangles, there are zero lines of symmetry.
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There can be only one pair of perpendicular lines in an isosceles triangle when it is a right angled isosceles triangle. A non right angled isosceles triangle has no pairs of perpendicular lines.
Yes, because you can notice that the right angled triangle has one right angle, so its only 1 perpendicular line. Hope this helped :D
Right triangles can have only one line of symmetry. Only right triangles with two 45 degree angles can have a line of symmetry.
The area of a 12cm by 5cm right-angled triangle is: 42 cm2
A right-angled triangular prism!