nabilarizwan0987 nabilarizwan0987 20-12-2022 Mathematics Answered 11. If ΔABC is an isosceles triangle and ΔDBE is an equilateral triangle, find each missing measure. m∠1= m∠2= m∠3= m∠4= m∠5= m∠6= m∠7= m∠8= m∠9=