Si un trapecio isosceles en sus lados paralelos tiene de medidas 15 metros y 8 metros, mientra en su lado que no es paralelo mide 7 metros. Calcular su perimetro.

The construction of copying qpr is started below. the next step is to set the width of the compass to the length of ab. how does this step ensure that a new angle will be congruent to the original angle? by using compass take the measures of angle and draw the same arc according to it.