18Mathematics for Class 7a/Construct a AABC in which BC4.3 cm, ZC = 45 – InterviewSolution

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18Mathematics for Class 7a/Construct a AABC in which BC4.3 cm, ZC = 45° and AC = 6 cm.

Answer»

➤ CORRECT QUESTION :-

Construct a ∆ABC in which BC = 4.3 cm, ∠C = 45° and AC = 6 cm.

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$\dashrightarrow$ Steps :-

First, draw a line segment AC of 6 cm.
Next, take a protractor and keep it's mid-POINT on the point C and draw a ray measuring 45°.
Then, take a compass and measure it as 4.3 cm and keep it's tip on the point C and draw an arc on the ray drawn.
Now, JOIN the point A to the point where the ray and the arc meets. Name it as point B.
Finally, the triangle is constructed.

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$\dashrightarrow$ Instruments used :-

Ruler :- The ruler is used to draw the line segments of accurate measurements and also the drawn lines should be straight always.
Protractor :- The protractor is used to draw the rays of accurate measurements of degrees. It's also used to measure the angles given.
Compass :- The compass is used to draw the arcs on the ray by taking the correct measurements as given in the question.

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