What are the causes,damages, precautions can be took for an earthquake

Answer:

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Step-by-step explanation:

2x plus y dfh =-2

The total capacity of the drum is 27 litres

Answer:

Here AB||CD

first we extend AB line to line ED at a point F.

We form a triangle BFE.

Angle (ABE+EBF)= 180°

120°+angle EBF =180°

angle EBF = 180°-120°=60°

in triangle EBF

sum of their angle is 180

angle EBF+angleBFE+ angleFEB =180°

60° +25°+angleBFE=180°

angle BFE =95°

AF||CD

by the property of parallel line

x=95° (if two parallel line cut by a single line then their uper and lower are same.)

Step-by-step explanation:

It is given in the question that AB || CD

and ABE = 120⁰, 2BED = 25⁰, and CDE = x⁰

To Find:-

The angle CDE = x⁰ from this diagram is shown in this question.

We can easily solve this question using geometrical interpretation and using some basic geometrical theorem.

Let,

The straight line BE is increased towards the line CD and it will cut the line CD on a point, let's say the point is 'M'

Then from the corresponding angles postulate of two parallel lines, we know that - the corresponding angles are congruent if the transversal intersects two parallel lines. In other words, if a transversal intersects two parallel lines, the corresponding angles will be always equal.

So we can say that angle BMC = angle ABE = 120⁰

Now from the exterior angle property of a triangle, we know that - The exterior angle of a triangle is equal to the sum of the two opposite interior angles.

So from this theorem, we can conclude that -

angle BMC = angleMDE + angle BED

120⁰ = x⁰ + 25⁰

or, x⁰ = 95⁰

So, x= 95⁰(Ans)