Tick (√) the correct answer.
a. Area of a right-angled triangle is 48 m². If one of its legs is 12 m, its base is
i. 6 cm
ii. 6 m
iii. 8 cm
iv. 8 m
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Tick (√) the correct answer.
a. Area of a right-angled triangle is 48 m². If one of its legs is 12 m, its base is
i. 6 cm
ii. 6 m
iii. 8 cm
iv. 8 m
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(iv) 8 m
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A n s w e r
G i v e n
F i n d
S o l u t i o n
➠
Where ,
➻ Leg1 = Height
➻ Leg2 = Base
Or ,
➻ Leg1 = Base
➻ Leg2 = Height
Depending on the given condition
Here in this question we are given that one leg of this triangle is 12 m
In this question we are asked to find base hence we will assume the given leg to be height
Legs of a right angled triangle are the two sides other then the hypotenuse i.e Base and height of a right angled triangle are referred as legs
⟮ Putting the values ⟯
➜
➜
➜
➨ Base = 8 m
∴ Option iv) is correct
Additional information
Properties of right angled triangle
Perimeter of triangle
Where ,
➻ a = Length of 1st side
➻ b = Length of 2nd side
➻ c = Length of 3rd side
Area of triangle
Where ,
➻ a = Length of 1st Side
➻ b = Length of 2nd Side
➻ c = Length of 3rd Side
➻ s = Semi perimeter i.e Half of the perimeter
Can be found as :
Other then the right angled triangle there are 2 more types of triangle based on angles