(C) Write whether given statement is true or false:-
(A) 13cm, 12cm, 5cm are sides of right angled triangle.
(B) cotA is not defined for A=0°.
(C) Formula to find Total Surface Area of cylinder is nr(h+r).
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(a) by using pythagoras theorem,
(12)² + (5)² = (13)²
=144+25= 169
=169= 169
—> it is a right angle triangle
(b) true
cot0= cos0/sin0= 1/0 (not defined) H.P.
(c) False
(12)² + (5)² = (13)²
=144+25= 169
=169= 169
—> it is a right angle triangle
(b) true
cot0= cos0/sin0= 1/0 (not defined) H.P.
(c) False
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