Question

Students of a school staged a rally for 'Quit Smoking' campaign. Manish participated in the rally and
prepared a trangular signboard with message 'QUIT SMOKING'. The sides of the signboard are 90cm,
70 cm and 40 cm long.
(i) Find the area of the signboard.​

Answer 1

Answer:

area of scalene triangle=sum of all sides

Step-by-step explanation:

so area of triangle=70cm+90cm40cm=

200cm

Answer 2

Answer:

Let the Triangle be ABC

Area of a Scalene Triangle = Sum of all sides

Area = 70+40+90

Area = 200 cm