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2 years ago

What is the relation between distance travelled by a train and its speed, when time is constant?

Mathematics

1 answer:

Oliga [24]2 years ago

4 0

Answer:

direct relation between distance travelled by a train and its speed, when time is constant.

Step-by-step explanation:

We know that the speed of an object is the total distance covered divided by total time taken. Mathematically, it is given by :

$v=\dfrac{d}{t}$

Where

d is distance

t is time taken

It can be seen that relation between the distance and the speed is direction. Hence the correct option is (a) "direct".

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galina1969 [7]

Answer:

solution :

in the given figure AB=10.2cm, AC=14cm, AD=DC and AD perpendicular to BC.

now ,

in rt angle tirangle ADC,

angleACD=45 degree, angle DAC=45 degree now,

in triangle ABD,

angle BAD+angleABD+angleADB=180 DEGREE (sum of the sngle of triangle)

angle BAD+75+30=180

angle BAD=180-165 therefore,angle BAD=15

angle BAC =15+45=60

Area of triangle ABC=1/2×AB×AC×SIN 60

=1/2×10.2×14×√3/2

=61.83cm³ ans

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Answer:

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