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lana66690 [7]
3 years ago
7

Find the surface area of the following shape

Mathematics
2 answers:
ryzh [129]3 years ago
7 0

Answer:

148cm will be the answer

Stella [2.4K]3 years ago
5 0

Step-by-step explanation:

It's a cuboid

  • L=6cm
  • B=4cm
  • H=5cm

\boxed{ \sf \: tsa = 2(lb + bh + lh)} \\  \rm \mapsto \: 2(6 \times 4 + 4 \times 5 + 6 \times 5) \\  \rm \mapsto \: 2(24 + 20 + 30) \\  \rm \mapsto \: 2(74) \\  \rm \mapsto \: 148

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Justify your answer
BaLLatris [955]

Answer:

8cm

Step-by-step explanation:

x is similar to the side 12cm.

We know the second triangle is rotated counter-clockwise from the first because similar triangles have the same angle measurements.

Since the angle in the first triangle between 9cm and 15cm is 53°, it can't be similar to the angle between x and the hypotenuse in the second triangle.

Find the scale factor:

Triangle 1/Triangle 2

Divide two similar sides.

6/9 = 2/3

Multiply the scale factor by the similar side to find x.

x = 12*(2/3)

x = 8

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3 years ago
Calculate the area of the quarter circle estimate using 3.14 for pi
mars1129 [50]

The area of the quarter circle with radius 3ft is 7.065 ft^2

Area of a quarter circle is given by the formula:

Area = \frac{\pi r^2}{4}

Where r represents the radius of the circle

In the quarter circle shown, the radius, r = 3 feet

π  =  3.14

Substitute π = 3.14 and r = 3 into the formula Area = \frac{\pi r^2}{4}

Area = \frac{3.14 \times 3^2}{4}\\\\Area =   \frac{3.14 \times 9}{4}\\\\Area =  \frac{28.26}{4}\\\\Area = 7.065 ft^2

The area of the quarter circle with radius 3ft is 7.065 ft^2

Learn more here: brainly.com/question/25843249

6 0
2 years ago
What two number multiply to 24 and add to -11
enot [183]

Answer:

8 and 3

Step-by-step explanation:

Brainliest Please

4 0
2 years ago
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Whats 3^2? thank you.
Inga [223]

Answer:

9

Step-by-step explanation:

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Answering these questions
Rudiy27
1.\\ a)\ y=2x-3\ \ \ |subtract\ y\ from\ both\ sides\\\\\boxed{2x-y-3=0}\\\\b)\ y=\dfrac{1}{3}x-\dfrac{2}{5}\ \ \ |multiply\ both\ sides\ by\ 15\\\\15y=5x-3\cdot2\ \ \ |subtract\ 15y\ from\ both\ sides\\\\\boxed{5x-15y-6=0}


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3 years ago
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