Question

1. The lengths of three sides of a triangle are given
below. Find which can form a right triangle.
(a)2.5 cm, 6.5 cm, 6 cm
(b) 11 cm, 60 cm, 61 cm
(C) 2 cm, 2 cm, 5 cm
(d) 2.1 cm, 2.8 cm, 3.5 cm.

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Answer 1

C. Because it base 2 height 5 Andthe side is 2. Height is 90 degree so this is right triangle

Answer 2

Answer:

A),B),D) form right angle triangle

Step-by-step explanation:

2.5^2 +6^2 =42. 25;6.5^2 =42.25 (using pythagoras theorem a^2 +b^2 =c^2)

11^2 +60^2 =3721;61^2 =3721

2^2 +2^2 =8;5^2 =25

2.1^2 +2.8^2 =12.25;3.5^2 =12.25