If
1 answer:
The value of x has changed by the factor of 1.44.
We have -
initial value of x = x (i) = 25
final value of x = x (f) = 36
We have to calculate by how much the value of x has changed.
<h3>If initial value of x = ' n ' and later it is increased to ' m '. Find out by how much the value of x has changed ?</h3>In order to find out how much the x has changed - suppose it has changed by a factor of <em>. </em>Then -
m = n x a
We can use the above concept to solve the question -
m = x (f) = 36
n = x (i) = 25
The value of ' x ' has changed by the factor of -
a = =
= 1.44
Hence, the value of x has changed by the factor of 1.44.
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Particular solution:
Particular solution:
All isosceles trapezoids have congruent base angles.
Option A
<u>Explanation:</u>
An isosceles trapezoid is a convex quadrilateral with a line of symmetry bisecting one pair of opposite sides.
Properties of isosceles trapezoid:
- Opposite sides of an isosceles trapezoid are the same length (congruent).
- The angles on either side of the bases are the same size/measure (congruent).
- The bases (both top and bottom) of an isosceles trapezoid are parallel.
Note: Refer the attached file for the image of an isosceles trapezoid.
All isosceles trapezoids come into the category of trapezoids but all trapezoids cannot be marked as isosceles. Clearly, if a trapezoid has congruent legs, it is an isosceles trapezoid.
If a trapezoid has one pair of congruent base angles, then the trapezoid is isosceles. A trapezoid is isosceles if and only if its diagonals are congruent.
In the case of quadrilaterals, if the quadrilateral is an isosceles trapezoid, then each pair of base angles are congruent.
