Question

Area of a right triangle is 54 cm2. If one of its legs is12 cm long, its perimeter is 4.
a.18cm
b.27cm
c.54cm
d.36cm​

Answer 1

Answer:

area of right angle triangle = 54 cm²

or, 1

_ × b × h = 54

2

or, 1

_ × b × 12 = 54 => [ b = 9cm ]

2

perpendicular = 12cm

base = 9 cm

hypotenuse = √12²+9² = 15 cm

perimeter = 13+ 9 + 15 = 36 cm answer