Question

Find the area of the fig.16.30 in the following ways:-

(i) Sum of the areas of three triangles
(ii) Area of a rectangle - sum of the areas of five triangles.

Answer 1

Figure?

Answer 2

here it is :)

Answer 3

It looks like the triangle on top has a 25 cm base and a 10 cm height, and the two triangles on the bottom have 25 cm bases and 20 cm heights. Is this correct? Where is the rectangle?

Answer 4

that's the real reason to ask the question that where is rectangle :(

Answer 5

But then the rectangle is more than just 5 triangles.

Answer 6

Oh, I see, it's area of rectangle _minus_ area of 5 triangles.

Answer 7

i'm nt sure, ok

Answer 8

Did I place the 25 cm measurements and the 50 cm measurement and the vertical 10 cm and 20 cm measurements correctly?