Statement (A): In a quadrilateral ABCD, A+ C = 180°, then B+ D=180° °. B° Statement (B) : In an isosceles trapezium ABCD (AB CD), if A = 120", then B = 60 a) Both A and B are true b) Both A and B are false c) A is true and B is false d) A is false and B is true
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Answered by
1
Step-by-step explanation:
(a)
Taking the vertical component of motion we can assume that the initial velocity is zero so:
s
=
1
2
g
t
2
∴
t
=
√
2
s
g
t
=
√
2
×
80
9.8
t
=
4.04
s
(b)
The horizontal component of velocity is constant so:
Distance = speed x time
∴
d
=
30
×
4.04
=
121.2
m
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Answered by
0
Answer:
A is true but B is false
I hope its correct
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