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1 year ago

AB = 10 in; AD = 6 in A= 30sqrt3 in2 30 in2 60 in2

Mathematics

1 answer:

Ratling [72]1 year ago

8 0

Answer: 30

Step-by-step explanation:

If we were to draw diagonal BD, then we would create two congruent triangles, and we could find the area of each using the formula $A=\frac{1}{2} ab \sin C$ .

However, since there are two triangles, we can double this, giving us $A=ab \sin C$ .

So, the area is $A=(10)(6)(\sin 30^{\circ})=\boxed{30}$

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Elena L [17]

Answer:

174.68

Step-by-step explanation:

Use PEMDAS. First, multiply 1/-25 by 8. (-8/25 or-.32)

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3 years ago

What is the area of the parallelogram shown

Nezavi [6.7K]

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2 years ago

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2 years ago

The parabola y=x^2 is reflected across the x-axis and then scaled vertically by a factor of 4/3 What is the equation of the new

Strike441 [17]

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2 years ago

Read 2 more answers

Find the surface area of this triangular prism. Be sure to include the correct unit in your answer.

makkiz [27]

Answer:

$390ft^2\\$

Step-by-step explanation:

Ok so we have 2 (congruent) triangles and 3 rectangles.

Your main approach to this problem should be to find the area of each of the faces and adding them up to get to your final answer. Your question makes a point of including the correct unit in your answer. Since this is surface area, the unit would be $ft^2$

Now let's start:

First, I am going to start with finding the area of the rectangles.

$12\cdot11=132\\13\cdot11=143\\5\cdot11=55\\\\55+143+132=330$

Alright, next lets move on to the triangles.

They are both the same, if you notice. So find one and double it.

$12\cdot5=60\\\frac{60}{2}=30\\30\cdot2=60$

now lets add em all

330+60

= 390 and thats your final answer, dont forget to include the unit, ft^2

8 0

2 years ago