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stiks02 [169]
3 years ago
13

If a triangle has a height of 14 inches and a base of 9 inches, what is area?

Mathematics
1 answer:
Ugo [173]3 years ago
4 0

Answer:

The area of the triangle is A=63\ in^2

Step-by-step explanation:

we know that

The area of a triangle is equal to

A=\frac{1}{2}(b)(h)

where

b is the base of triangle

h is the height of triangle

we have

b=9\ in\\h=14\ in

substitute in the formula

A=\frac{1}{2}(9)(14)

A=63\ in^2

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SSSSS [86.1K]

The length of the rope needed is 15 feet

Given the following parameters;

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Required

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To get the length of the rope, you will use the pythagoras theorem expressed as:

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Substituting the given parameters:

c² = 9² + 12²

c² =81 + 144

c² = 225

c = √225

c = 15 feet

Therefore the length of the rope needed is 15 feet

Learn more on Pythagoras theorem here: brainly.com/question/231802

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2 years ago
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just olya [345]
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3 years ago
How do you add vectors? Add the vector 3,4 to the vector that goes 7 units at an angle of 2π/3.
Gekata [30.6K]

The sum of two vectors is (- 0.5, 10.1)

<u>Explanation: </u>

To add two vectors, add the corresponding components.

Let u =⟨u1,u2⟩ and v =⟨v1,v2⟩ be two vectors.

Then, the sum of u and v is the vector

u +v =⟨u1+v1, u2+v2⟩

(b)

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angle 2π/3 = 120°

In x axis, the vector is = 7 cos 120°

                           = 7 X -\frac{1}{2} \\\\= -3.5

In y axis, the vector is = 7 sin 120°

                                  = 7 X 0.866

                                  = 6.062

The second vectors are ( -3.5, 6.062)

Sum of two vectors = [( 3 + (-3.5) ), (4 + 6.062)]

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6 0
3 years ago
A pole that is 2.8 m tall casts a shadow that is 1.67 m long. At the same time, a nearby building casts a shadow that is 50.75 m
Veseljchak [2.6K]

Answer:

Explanation:

3.2

1.14

=

x

44.75

Cross Mutliply:  

44.75

⋅

3.2

=

1.14

x

Divide:  

143.2

1.14

=

x

You get 125.614 rounded to the nearest meter is 126

Step-by-step explanation:

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3 years ago
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In short, Your Answer would be Option C

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