3 years ago

In the figure is measurement of angle ABD is 120° then measurement of angle ABC is what

Mathematics

1 answer:

kondaur [170]3 years ago

4 0

Answer:

240?

Step-by-step explanation:

if it is a quadrilateral? as...

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$\bf \qquad \qquad \textit{double proportional variation}
\\\\
\begin{array}{llll}
\textit{\underline{y} varies directly with \underline{x}}\\
\textit{and inversely with \underline{z}}
\end{array}\implies y=\cfrac{kx}{z}\impliedby 
\begin{array}{llll}
k=constant\ of\\
\qquad variation
\end{array}\\\\
-------------------------------\\\\$

$\bf \textit{\underline{y} varies directly as (x+3) and inversely as (x-3)}\implies y=\cfrac{k(x+3)}{x-3}
\\\\\\
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\begin{cases}
y=21\\
x=4
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