Question

Zak wants to work out the area of this triangle.
14 cm
8 cm
- 12 cm
Here is his working.
12 x 8 = 96 cm
What is wrong with his method?

Answer 1

He isn’t adding! double your numbers ex: 14 x 2 = 28, 8 x 2 = 16 12 x 2 = 24. Now you add it all together 28 + 16 + 24 = 68 cm is your answer!