This what I got is this the right answer?

Yes, 135 square units is the correct answer.

Step-by-step explanation:

To find area of a parallelogram you use the same equation as you would for a rectangle, length times width.

In this case, you do 15 (the length) times 9 (the width) to get 135

b. an equilateral triangle inscribed in a circle

step-by-step explanation:

we are given the figure of two circles having a triangle inside.

now, we know that,

"when a figure is lying inside an another figure, then the outside figure is known as circumscribed figure and the figure lying inside is referred to as the inscribed figure".

as we see that, the circles are containing the triangle completely.

thus, the circles are the circumscribed figures and the triangle is the inscribed figure.

hence, we get, 'an equilateral triangle is inscribed in a circle'.

the correct answer is a.) bc< mn 5 stars if this you : )

step-by-step explanation: