Question

measurement of perpendicular sides of an isocesles triangle is 5 cm find other perpendicular side​

Answer 1

Answer:

Let assume A, B, C be the vertices of the given triangle and right-angled at A i.e, ∠A=90

∘

, AD⊥BC.(D is the point of intersecton of perpendicular from A on BC)

By Pythagoras theorem,

BC

2

=AB

2

+AC

2

BC

2

=4

2

+4

2

BC=4

2

cm

Area of triangle =

2

1

base×height

Thus,

2

1

AB×AC=

2

1

AD×BC

4×4=4

2

×AD

AD=2

2

cm