Question

Can someone pls explain me third question and I am not cheating it is homework I expect genuine answers

Answer 1

Answer:

560cm^2

Step-by-step explanation:

bro nice question

see a diagonal divides the quad into two triangles.

The diagonal is the base

12cm and 16cm are the heights

find the areas and add

Tri 1)

area = 1/2bh

= 1/2 * 40cm * 12cm

= 1/2 * 480cm^2

= 240cm^2

Tri 2)

area = 1/2bh

= 1/2 * 40cm * 16cm

= 1/2 * 640cm^2

= 320cm^2

total area = sum of areas of the triangles

= 240cm^2 + 320cm^2

= 560cm^2

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