Question

6x square -x -35 by quadratic equation​

Answer 1

Step-by-step explanation:

C3cm

Using Pythagoras theorem in △ABC

(AB) 2

(BC) 2

(AC) 2

(15) 2

(8) 2

(AC) 2

⇒

(AC) 2

225+

64=

289

⇒

AC=

17cm

Now inradius

r=

s

Δ

where Δ is the area of triangle and s is semi perimeter.

Δ=

2

1

× 8× 15= 60

s=

2

8+15+17

=

2

40

= 20 ⇒ r=

s

Δ

=

2 0

6 0

= 3cm

Answer 2

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