Question

A model of traffic signal on the road has a triangular base with ∠A = 90° and with a red circular light

inscribing the triangle AB = 12cm and BC =20cm and R is the in-centre of the triangle ABC

a) Area of triangle ABC is :

i) 96 sq. cm ii) 98 sq. cm iii) 140 sq. cm iv) 150 sq. cm.

b) Radius of the circle is

i) 5 cm ii) 6 cm iii) 7 cm iv) 4 cm

c) Area used for red light is equal

i) 16π sq. cm ii) 17π sq. cm iii) 19 π sq. cm iv) 28 π sq. cm

d) Length of AC is equal to

i) 12 cm ii) 14 cm iii) 16 cm iv) 18 cm

e) Area of RAC is equal to

i) 40 sq. cm ii) 80 sq. cm iii) 24 sq. cm iv) 32 sq. cm​

Answer 1

Answer:

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