Question

In right angled triangle ABC right angled at B , < A=45°,<C=45°,<C=3root 2 cm then find the length of other side.​

Answer 1

Step-by-step explanation:

7th

Maths

The Triangle and Its Properties

Recalling Basics of Triangles and Its Types

In the adjoining figure, A...

MATHS

In the adjoining figure, △ABC is right-angled at B and ∠A=45

∘

. If AC=3

2

cm,

Find (i) BC,(ii) AB.

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ANSWER

From right angled △ABC,

(i)

AC

BC

=sin45

∘

3

2

BC

=

2

1

Or BC=3

(ii) By Pythagoras theorem

(AB)

2

=(AC)

2

−(BC)

2

=(3

2

)

2

−(3)

2

=18−9

=9

AB=3 cm.