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Sliva [168]
3 years ago
15

What is the answer to this question please show work

Mathematics
2 answers:
larisa86 [58]3 years ago
7 0
Hey there!

To get the area of this compound shape, let's divide this shape into two parts. After you do that, we have a square and a triangle. Let's solve for the square first.

The square has dimensions of 12 cm for each side. Thus, we just square the side length to get the area.

12^2=144

Thus, the square has an area of 144 cm². Now, let's find the area of the triangle.

We know that the triangle has a base length of 12 cm, but the height is not directly given. To find the height, subtract 12 from 17.

17-12=5

Now, use the formula for the area of the triangle.

\frac{1}{2}bh= \frac{1}{2}5*12=30

The triangle has an area of 30 cm². Now, add the area of the triangle and the square.

144+30=174

The compound figure has an area of 174 cm².

Hope this helps! :)
Artemon [7]3 years ago
3 0
The image contains two geometric objects, square and triangle

The square
The square has side equals to 12 cm
Find the area of the square
a = s × s
a = 12 × 12
a = 144 cm²

The triangle
The triangle has base equals to 12 cm, and the height equals to 17 - 12 = 5 cm
Find the area of the triangle
a = 1/2 × b × h
a = 1/2 × 12 × 5
a = 1/2 × 60
a = 30 cm²

Now add the area together
a = area of triangle + area of square
a = 144 + 30
a = 174

Answer:
The area is 174 cm²
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How to use the Pythagorean theorem to provee if a triangle with the side lengths 7,14,28 is a right triangle. Plz help
Lapatulllka [165]

Answer: find the answer in the explanation.

Step-by-step explanation:

To use the Pythagorean theorem to prove if a triangle with the side lengths 7,14,28 is a right triangle, you will square 7 and add it to the square of 14. The square root of the sum will be equal to 28 if it is a right angle triangle. Otherwise, it is not.

(7^2 + 14^2) = 49 + 196

245

Find the square root of 245

Square root = 15.65

Since it is not 24, the triangle is not a right angle triangle.

8 0
3 years ago
Find the length of side AB. Give your answer to 1 decimal place.
ehidna [41]

Answer:

Length of side AB = 5.6 cm

Step-by-step explanation:

From the figure attached.

In right triangle ABC,

m∠ABC = 62°

m(BC) = 12 cm

By applying Cosine rule in this triangle,

Cos62° = \frac{\text{Adjacent side}}{\text{Hypotenuse}}

Cos62°= \frac{AB}{BC}

0.46947 = \frac{AB}{12}

AB = 12 × 0.46947

AB = 5.63

     ≈ 5.6 cm  

Therefore, length of side AB = 5.6 cm

7 0
3 years ago
What is the answer a= 1/2h (b <br> b.?
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hey download photomath it works great u take a picture of your math problem and itll give u the steps n the answer
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5x0.02=10 hope this helps! :)
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