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8cm 5cm 10cm 12cm 6.4cm 5cm, what is the area, rounded to the nearest whole number

8cm 5cm 10cm 12cm 64cm 5cm What Is The Area Rounded To The Nearest Whole Number class=

Sagot :

The area of the shape is;

[tex]90cm^2[/tex]

Here, we to get the area of the shape

To do this, we will need to divide the shape into fragments

By completing the line, we have the fragments as follows;

A rectangle that measures 8 cm by 10 cm

And;

A triangle of base 4 cm and height of 5 cm

The area of the rectangle is the products of its two sides

We have this as;

[tex]8\text{ }\times10=80cm^2[/tex]

The area of the triangle is product of its base and height, divided by two

We have this as;

[tex]\frac{1}{2}\times5\times4=10cm^2[/tex]

The area of the shape is the sum of these areas

We have this as;

[tex]80cm^2+10cm^2=90cm^2[/tex]