Based on this example, make a

Mathematics

1 answer:

Mnenie [13.5K]3 years ago

6 0

Answer:

Step-by-step explanation:

There are 4 of them (acute angles that is)
Those 4 are less than 90 degrees.
They have supplementary angles which are greater than 90 degrees.
There are 4 of them also.
The total number of angles should be 8 if there are 2 parallel lines and 1 transversal.

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$\stackrel{mixed}{1\frac{3}{4}}\implies \cfrac{1\cdot 4+3}{4}\implies \stackrel{improper}{\cfrac{7}{4}} \\\\[-0.35em] ~\dotfill\\\\ \cfrac{7}{4}-\cfrac{4}{5}=\cfrac{35}{20}-\boxed{?}\implies \stackrel{\textit{multipling both sides by }\stackrel{LCD}{20}}{20\left( \cfrac{7}{4}-\cfrac{4}{5} \right)=20\left( \cfrac{35}{20}-\boxed{?} \right)} \\\\\\ 35-16=35-20\boxed{?}\implies 19=35-20\boxed{?}\implies -16=-20\boxed{?} \\\\\\ \cfrac{-16}{-20}=\boxed{?}\implies \cfrac{4}{5}=\boxed{?}$

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