Which construction is illustrated above?

Mathematics

2 answers:

shusha [124]2 years ago

5 0

Answer:

The correct option is 1.

Step-by-step explanation:

From the given figure it is easily noticed that the construction is

used to draw a perpendicular line to a given line from a point on the line.

In the given figure we have lines and a red point lies on the line.

First of all the two equidistance arc are drawn on the given line.

Then increase the measurement of the compass and put the compass on first arc and make another arc on the left side, then put compass on second arc. Now draw an arc which intersects the third arc.

Then by joining the given point and the intersection point, we get a line perpendicular to the given line from the point on the line.

Therefore option 1 is correct.

qwelly [4]2 years ago

3 0

The most reasonable answer is b

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OlgaM077 [116]

well, we know the ceiling is 6+2/3 high, and Eduardo has 4+1/2 yards only, how much more does he need, well, is simply their difference, let's firstly convert the mixed fractions to improper fractions and then subtract.

$\stackrel{mixed}{6\frac{2}{3}}\implies \cfrac{6\cdot 3+2}{3}\implies \stackrel{improper}{\cfrac{20}{3}} ~\hfill \stackrel{mixed}{4\frac{1}{2}}\implies \cfrac{4\cdot 2+1}{2}\implies \stackrel{improper}{\cfrac{9}{2}} \\\\[-0.35em] ~\dotfill\\\\ \cfrac{20}{3}-\cfrac{9}{2}\implies \stackrel{using ~~\stackrel{LCD}{6}}{\cfrac{(2\cdot 20)-(3\cdot 9)}{6}}\implies \cfrac{40-27}{6}\implies \cfrac{13}{6}\implies\blacktriangleright 2\frac{1}{6} \blacktriangleleft$