関連ワード:
prove that two sides of an isosceles triangle are equal prove that angle opposite two equal sides of an isosceles triangle are equal prove that the medians on equal sides of an isosceles triangle are equal prove that the angles opposite equal sides of an isosceles triangle are equal prove that the medians bisecting the equal sides of an isosceles triangle are equal prove that the altitudes to the equal sides of an isosceles triangle are equal prove that the angles opposite to equal sides of an isosceles triangle are equal class 9 show that the angles opposite to equal sides of an isosceles triangle are equal prove that the medians bisecting the equal sides of an isosceles triangle are also equal prove that the medians drawn to equal sides of an isosceles triangle are also equal
