Please explain how?? 2-(-8)= 10

How is it 10

2-(-8)= 10

2+8=10

When two negative signs collide they turn to positive.

Here -(-8) changed to +8. Thus, 10 is the answer

Hope it helps :)

The middle is a square with side length of 12cm

Area of the square = 12 x 12 = 144 cm^2

There are 4 triangles with base of 13cm and height of 8 cm

Area of triangle = 1/2 x base x height

Area = 1/2 x 12 x 8 = 48cm^2 each

48 x 4 = 192 cm^2

Total area = 144 + 192 = 336 cm^2