Math question please show work due today last day to submit Assignments or I fail please help

Step-by-step explanation:

Part A:

The figure implies a rectangle. The area of a rectangle with base and height is given by .

What we're given:

Therefore, the area of the rectangle is

Part B:

The figure shows a circle. The area of a circle with radius is given by . In the figure, the diameter is marked as 45 cm. To find the radius, we must divided this by 2, because by definition, the radius if half the diameter. Therefore, and the area of this circle, rounded to the nearest tenth, is

Part C:

The figure shows a triangle (polygon with three sides). The area of a triangle with base and height is given by .

What we're given:

Substituting given values, we get:

sine

step-by-step explanation: