Question

∆ABC is a right angled triangle, with m/A = 30° If the side opposite to 30° is
5cm. What is the length of the hypotenuse? ​

Answer 1

Answer:

30×2=60°(hope you know the ratio of the sides of the triangles with angles 30,60 and 90)

Answer 2

Step-by-step explanation:

Given :

length of hypotenuse (c) = 5cm = And one side (a) = 3cm

Let,

third length of the side = (b) cm

As we know that, Pythagoras theorem (a)? + (b)? = (c)?

=> (3)? + (b)? = (5)?

=> 9 + (b)? = 25 =

= > (b)2 = 25-9

=> (b)2 = 16

=> b = 4

Hence, length of the third side of the triangle

= (b) = 4 cm. =

So,

The sides of the right angled triangle are 3cm , 4cm and 5cm.

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