Question
A + 4 triangle = 10 triangles
A + B = 7 triangles
B + C = A + 6 triangles

  1. A = _____ triangles
  2. B = _____ triangles
  3. C = _____ triangles
5 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

(c)

Click button first when a symbol is required. X

A + 4 triangle = 10 triangles
A + B = 7 triangles
B + C = A + 6 triangles

  1. A = _____ triangles
  2. B = _____ triangles
  3. C = _____ triangles