Answer:
85°
Step-by-step explanation:
The exterior angle of a triangle is=sum of the opposite interior angles
So
? °=45°+40°
24+56=80 on the first column of the chart
The answer is 76
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Answer:
<em>The dimensions of the area will be 8 ft x 40 ft</em>
Step-by-step explanation:
<u>Area and Perimeter</u>
The perimeter can be understood as the distance measured around a shape. The area gives us the idea of the space occupied by the shape. Being w and l the width and length of a rectangle, the perimeter and areas can be computed as follows


The dog trainer has 96 ft of fencing to cover a
rectangular area. This means that


A system of equations is formed

We divide the last equation by 2

solve for w

Replacing in the first equation

Operating and arranging


We have two possible answers

Which gives us

In any case, the dimensions of the area will be 8 ft x 40 ft
Answer:
So the ratio is 5:4:3
As there are 60 clown fish, divide 60 by 5. =12
12 x 4 = 48 (amount of angel fish)
12 x 3 = 36 (amount of goldfish)