Question

Find the value of < ACB

10


47


40


101

Answer 1

none of the above?

Explanation:

so the angles of the triangles are A1+A2+A3=360

so (4x+7)+(11x-9)+32=360

combine like terms

15x+30=360

isolate the variable

15x=330

x=22

angle ACB is 4x+7

4(22)+7=

88+7=

95