When Lara was born,her mass was 3 kilograms.by the time she started third grade, she had gained 24 kilograms.what was Lara’s mas
1 answer:
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the total area of sections 1 and 2 is 48 square units !
<u>Step-by-step explanation:</u>
Here we have , The triangle and the rectangle have the same base, b, and height, h. If the area of the triangle is 48 square units,We need to find what is the total area of sections 1 and 2 . Let's find out:
According to question , we have a triangle with same base and height as of rectangle inside a rectangle ! Following are the parameters of rectangle:
but , Area of rectangle = . Also , Area of triangle :
⇒
⇒
So , Area of rectangle = . Total area of section 1 & 2 is given by :
⇒
⇒
Therefore , the total area of sections 1 and 2 is 48 square units !