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Have a sharp pencil
Then get a ruler
A ruler is a tool used to measure lines in centimetres and inches
Draw a line using a ruler
Draw another line to make an obtuse angle
An obtuse angle is an angle greater than 90 degrees
Make sure the lines have the same measurement in centimetres
Draw the last line to link up the triangle
Use a protractor to measure the angles in degrees
Link up the bottom of the protractor with your line see where the other lines degree is
Measure all the angles
There is your obtuse isosceles triangle 👍 Please like