Question

state whether or not the following triangles are right angled. All measurements in centimeters.

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Answer 1

Answer:

only first triangle is right angled triangle

Answer 2

Answer:

1st and 3rd are right angled triangle

Step-by-step explanation:

1st and 3rd are right angled triangle as they satisfy Pythagoras theorem... and 2nd does not

in 1st triangle 10 cm is largest side so considering it as hypotenuse apply Pythagoras

in 2nd triangle 20cm is largest side so considering it as hypotenuse apply Pythagoras

in 3rd one 5.2 cm is largest side so considering it as hypotenuse apply Pythagoras

formula:

h^2 = a^2 + b^2

......

this is way to do if u want written sol. pls let me know in comment section