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SVEN [57.7K]
3 years ago
8

Please help!! shirley is drawing triangle that have the same area

Mathematics
2 answers:
Aliun [14]3 years ago
6 0

Answer:

\boxed{12 \: \mathrm{and} \: 7}

Step-by-step explanation:

Solve for the area of first triangle.

\frac{bh}{2}

b=base\\h=height

\frac{14 \times 6}{2}

\frac{84}{2} =42

The area of second triangle is same as the first triangle.

The area of second triangle is 42 units².

The base varies inversely with the height.

b \propto \frac{1}{h}

As the value of <em>b</em> increases, the value of <em>h</em> decreases.

\frac{12 \times 7}{2}=42

The answer is <em>b</em> = 12 and <em>h</em> = 7.

natima [27]3 years ago
4 0

Answer:

12 and 7

Step-by-step explanation:

The area of the first  triangle is

A = 1/2 bh

A = 1/2 ( 14*6)

A = 42

The area of the second triangle must equal 42

Varying inversely means as the height increases, the base must decrease at the same rate

Lets try 12 and 7

A = 1/2 (12*7)

A = 42

The height of the new triangle increased and the base decreased

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djverab [1.8K]

Three of the four towns are on the vertices of the triangle ΔCBD, through

which the bearing can calculated.

<h3>Response:</h3>
  • The bearing of D from B is approximately <u>209.05°</u>

<h3>Method by which the bearing is found;</h3>

From the given information, we have;

AC = AB = 25 km

∠BAC = 90° (definition of angle between north and east)

ΔABC = An isosceles right triangle (definition)

∠ACD = ∠ABC = 45° (base angles of an isosceles right triangle)

tan(\angle ABD) = \dfrac{45}{25}

  • \angle ABD = arctan \left(\dfrac{45}{25} \right)  \approx 60.945^{\circ}

The bearing of <em>D</em> from <em>B</em> is the angle measured from the north of <em>B</em> to the

direction of <em>D.</em>

<em />

Therefore;

  • The bearing of D from B ≈ 90° + (180° - 60.945°) = <u>209.05°</u>

Learn more about bearings in mathematics here:

brainly.com/question/10710413

5 0
3 years ago
Find the dimensions of the circle. Check your answer, <br> Area = 36π m^2<br><br> Please help!
Kamila [148]

Answer:

6 i think..

Step-by-step explanation:

3 0
3 years ago
Pls help I hate math rectangular prism
nekit [7.7K]

Answer:

352.5cm^{2}

Step-by-step explanation:

A=3Rectangles+2Triangles\\=3*7.5*13.5+2*.5*6.5*7.5=352.5cm^{2}

8 0
2 years ago
The Questions above.
Sergeeva-Olga [200]

Answer:

It's B.9

Step-by-step explanation:

Because

11+9=20

20+9= 29

29+9= 38

The common difference is positive because the arithmetic sequence is increasing.

8 0
3 years ago
Read 2 more answers
PLEASE HELP FAST!!! How many solutions does this system have?
Aneli [31]

Step-by-step explanation:

  • y=3/4x+(-5)
  • -4x+4(3/4x+-5)=-20

-4x+3x-20=-20

-x=-20+20

-x=0

x=0

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y=3/4×{0}-5

y=-5

5 0
3 years ago
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