Answer:

Step-by-step explanation:
Given
The attached triangle
Required
Find x
The theorem that applies to this question is the theorem of external angles. And it translates to:

Collect Like Terms



Divide through by 6



Answer:
Chart 2.
Step-by-step explanation:
In the figure Dan has constructed an angle at point Q.He wants to cinstruct an angle ar point R which is congruent to angle made at point Q.To construct the angle at point R Dan needs to draw an arc at point R .He will put the compass on point R and draw an arc .This is shown in the figure 2.
The figure is added below.
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Answer:
There will be 11 mozzarellas and 6 pizza rolls
Step-by-step explanation:
80x+90x=1740,5x+x=6x,
80(6)+90x=1740,1740-480=990,
90x=990,x=11