Answer: 35
Step-by-step explanation:
Triangle BDC is an equilateral triangle
Triangle ABD is an isosceles triangle
so the length of BD is 8
because BDC is equilateral all sides are 8
then you add your numbers up
8+8+8+11
=35
Answer:
35 units
AD = BD = 8
opposite angles are equal
BD = BC = CD = 8
equilateral triangle
11+8+8+8 = 35
