Question

draw an obtuse angled triangle which has two sides exactly equal in length​

Answer 1

find: draw an obtuse angled triangle with two sides exactly equal in length.

step 1:

definition:

In obtuse angled triangle is in which one angle is greater than 90°. as we know that sum of all the angles in a triangle is 180 °, so the other two angles should be less than 90 ° means other two angles should be acute.

In a triangle it is not possible to have more than one obtuse angle.

step 2:

properties:

1.The longest side of an obtuse triangle is the one opposite to the obtuse angle.

2.An obtuse triangle can be of two types:

1. isosceles (two equal sides and two equal angles)  
2. scalene (no equal sides or angles).

step 3:

to draw obtuse angled triangle with two sides exactly equal in length we need to draw two lines at equal angles lets take it 30° each.

step 4:

In triangle abc, ac=bc

                           ∠cab=30°

                           ∠cba=30°

                           ∠acb= 180°- (30°+30°)

                                            = 180°-60°

                                             =120°

                          this is an obtuse angle.

thus we have drawn an isosceles triangle with two sides equal.

triangle is shown in figure.

Answer 2

Drawing a triangle

To draw: an obtuse-angled triangle which has two sides exactly equal in length

Step-by-step drawing:

• We take the equal sides to be of length 5 cm and the obtuse angle being 120°.

• Draw any straight line and then draw 120° angle in it by using the previously drawn angle (which was drawn using protractor).

• Then draw two sides of 5 cm each using previously drawn length.

• Then join the sides and we get the required triangle.

• See the given attachment.

• Note: You can take any obtuse angle to draw the required triangle with two equal sides.

Read more on Brainly.in

प्रश्न: एक त्रिभुज की रचना करो जिसका परिमाप 9 सेंटीमीटर है और आधार कौन 30° और 45° है।

- https://brainly.in/question/20729888