"<em>Some square roots are not rational numbers</em>"
<u>Concept used</u>:
In mathematics, the term "negate " refers to the opposite of a given mathematical statement or a contradiction to the given statement.
For Example: The negate of " Raj is a boy " is " Raj is not a boy".
<u>Given statement</u>: "Some square roots are rational numbers".
<u>Negate of the given statement</u>: "Some square roots are not rational numbers".
Learn more about negation:
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Using formula: <span>A=Pi*r^2
A would represent the area of the whole mural but we would plug in r as 25, 50 is the whole width half of it is 25 which is the radius. the whole circle has a degree of 360 but we need the area of 38 degree.</span><span>
A=38/360*pi*25^2
=16.57</span>
Given that PQ and RS intersect to form four right angles, then they form an angle of 90 degrees, this implies that:
if the meet at point O,
then;
∠POR=∠POS=∠QOS=∠ROQ=90°
Therefore the correct statement is:
PQ is perpendicular to RS
that is to mean:
PQ⊥RS
The answer is C.
Step-by-step explanation:
measure of exterior angle = sum of 2 non adjacent angles
4X = 90 + X
3X = go
X=30
exterior angle = 30x 4 =120
