Question

two perpendicular side of a right angled triangle are 5 cm and 12 cm it's perimeter is​

Answer 1

Step-by-step explanation:

p = 12 cm

b = 5 cm

$h = \sqrt{ {p}^{2} + {b}^{2} } \\ = \sqrt{ {12}^{2} + {5}^{2} } \\ = \sqrt{144 + 25} \\ = \sqrt{169} \\ = 13$

h = 13cm

perimeter = 12+13+5 = 30cm

Answer 2

Answer:96cm^2

Step-by-step explanation:

area of a triangle is = 1/2×b×h

= 1/2×12×16

= 1×12×8(cancel 2&16)

=96^2

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