The sides of a right angled triangle containing the right angle are 3(x+1)cm and (2x-1)cm.lf area of triangle be 30cm, find the length of sides of the triangle.
Answers
Answered by
11
Step-by-step explanation:
area ⇒30 cm
2
=
2
1
(2x−1)(4x)
60=(4x)(2x−1)
15=x(2x−1)
2x
2
−x−15=0
2x
2
−6x+5x−15=0
2x(x−3)+5(x−3)=0
⇒x=3,x=
2
−5
since x cannot be negative
x=3
∴AB=(2x−1)=5 cm
AC=4x=12 cm
BC=
AB
2
+AC
2
=
25+144
+
169
=13cm.
∴ the sides are 5 cm, 12 cm and 13 cm
solution
Answer By
avatar
Toppr
SHARE
How satisfied are you with the answer?
This will help us to improve better
More Questions by difficulty
EASY
MEDIUM
HARD
.......
HOPE THIS WILL HELP
Answered by
2
Step-by-step explanation:
please do follow me guys
Attachments:
Similar questions