Question

Q6: In the following right angled triangles, find the measures of unknown sides (in cm) : (4)
(a)
24 cm
17 cm
가
8 cm
7cm​

Answer 1

Answer:

This might help you

Step-by-step explanation:

a)24+7=31cm

b)8+x=17

x=17-8=9cm

Answer 2

Answer:

$\huge\underline\bold\blue{AnswE✔}$

(i) Given, a=7,cm,b=24cm and c=25cm

c

2

=a

2

+b

2

[ By using Pythagoras theorem ]

c

2

=7

2

+24

2

c

2

=49+576

c

2

=625

∴ c=25cm

Hence, the given triangle is right angled triangle.

(ii) given, a=9cm,b=16cm and c=18

c

2

=a

2

+b

2

[ By using Pythagoras theorem ]

c

2

=9

2

+16

2

c

2

=81+256

c

2

=337

∴ c=18.35cm

Hence, the given triangle is not right angled triangle.

(iii) given, a=1.6,cm,b=3.8cm and c=4cm

c

2

=a

2

+b

2

[ By using Pythagoras theorem ]

c

2

=(1.6)

2

+(3.8)

2

c

2

=2.56+14.44

c

2

=17

∴ c=4.12cm

Hence, the given triangle is not right angled triangle.....