Question

Using your protractor draw an angle BAC of measure 120 w when did this angle given draw an angle of major 90-degree 45 by measurement

Answer 1

drawn an angle of measure 90 degree from 120 degree angle using compass

Step-by-step explanation:

Step 1 : Draw a line Segment BA using ruler

Step 2 : Draw an angle of 120° at A on BA and mark other end as C

Step 3 : Using compass taking A as center Draw arc such that it intersect AB & AC at  P & Q

Step 4 : Taking some width of compass Draw an arc taking P as center

Step 5 : Keeping same width of compass as in step 4 , draw arc taking Q as center Such that it intersect arc drawn in step 5 at R

Step 6 : Join AR & Extend

Now repeat Step from 3 to 6 taking AR  & AC ( instead of AB & AC)

and get line AM

∠BAM = 90°

Again repeat step for  AM & AB to get 45°

Learn  more:

construct an angle of 120 degree divide it into four equal parts using ...

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