Question

construct a triangle abc in which bc=5.5 cm lb=75 and lc=45 .write steps of construction also​

Answer 1

➤ Correct Question :-

Construct a triangle ABC in which BC = 5.5 cm, ∠B = 75° and ∠C = 45°

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$\dashrightarrow$ Steps :-

• First, draw a line segment BC of 5.5 cm.
• Next, take a protractor and keep it's mid-point on the point B and draw a ray measuring 75°.
• Again, take a protractor and keep it's mid-point on the point C and draw a ray measuring 45°.
• Now, join both rays on one point. If they don't meet, extend them until they meet. Name it as point A.
• 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 the drawn lines should be correct and 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.

Answer 2

Given : BC-5.5 सेमी ∠B -75° तथा ∠C=45°

BC-5.5 cm  ∠B -75°  and ∠C=45°

To Find :  त्रिभुज ABC की रचना कीजिए

Construct triangle ABC

Solution:

Step 1 : Draw  a line segment BC 5.5 cm

Step 2 : Draw an angle of 75° at B   on BC using protractor

Step 3 : Draw an angle of 45° at C   on BC using protractor

Step 4 : Both angles intersects each other at A

चरण 1: एक रेखा  खंड BC = 5.5 सेमी  ड्रा करें

चरण 2:  प्रोटेक्टर का उपयोग करके B  पर 75 डिग्री के कोण   ड्रा करें

चरण 3:  प्रोटेक्टर का उपयोग करके C   पर 45 डिग्री के कोण   ड्रा करें

चरण 4: दोनों कोण  एक दूसरे को  A पर प्रतिच्छेद करते हैं

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