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given : triangle ABC is right angle at a
a l is drawn perpendicular to BC
to find : Angle B A L is equal to angle ACB
proof: Al is perpendicular to BC ABC is a right angle triangle
Angle B A L is equal to angle ACB(given)
angle A is equal to angle C( alternate interior angles)
AB=AB( common)
therefore angle ACB ≈BAL
bySSScoungrence conditions
a l is drawn perpendicular to BC
to find : Angle B A L is equal to angle ACB
proof: Al is perpendicular to BC ABC is a right angle triangle
Angle B A L is equal to angle ACB(given)
angle A is equal to angle C( alternate interior angles)
AB=AB( common)
therefore angle ACB ≈BAL
bySSScoungrence conditions
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