Select all the properties of a right triangle. A. Has a right angle
B. Has one obtuse angle
C. Has parallel lines
D. Has perpendicular lines
E. Has three acute angles

help pleasee no links!!

A and D.

EXPLANATION:

A right triangle has 2 acute angles and one right angle.

So It

DOES have a right angle

DOES NOT have an obtuse angle

DOES NOT have parallel lines
because Parallel means that the lines dont meet anywhere.
In this scenario All lines meet

DOES have perpendicular lines
Because they intersect

DOES NOT have three acute angles

:)