IN A RIGHT ANGLED TRIANGLE ABC SIDE AB =x+2 side AC =x+3 AND SIDE BC=5 cm,IF ANGLE B IS OF 90 DEGREE .FIND x
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Answer:
...............................
Answered by
0
Answer:
here the answer
Step-by-step explanation:
We are given, m∠B=90
o
AB=(x−3) cm
BC=(x+4) cm
AC=(x+6) cm
x=?
From pythagoras theorem,
AC
2
=AB
2
+BC
2
(x+6)
2
=(x−3)
2
+(x+4)
2
∴ x
2
+12x+36=x
2
−6x+9+x
2
+8x+16
∴ x
2
+12x+36=2x
2
+2x+25
∴ 2x
2
−x
2
+2x−12x+25−36=
if you have any query ask me later
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