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otez555 [7]
3 years ago
12

Find the area of this triangle

Mathematics
1 answer:
KiRa [710]3 years ago
3 0

Answer:

Area of triangle= 1/2 x base x height

Area of triangle

=  \frac{1}{2}  \times 13 \times 7

=  \frac{1}{2}  \times 91

=  \frac{91}{2}

= 45.5

Therefore the area of the triangle is 45.5inch

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What is the difference in finding the length of a segment that is drawn on a sheet of blank paper and segment that is drawn on a
klio [65]

If you have tickmarks on the segment, on a blank piece of paper, then you count out the spaces to get the length of the segment. This is assuming the tickmarks are properly spaced out. If there aren't any tickmarks, then you'll have to use a ruler to find the length. Either way, a ruler is encouraged.

The coordinate plane makes things easier to find the length of any segment. Use either the pythagorean theorem or the distance formula to find the length of the segment.

7 0
3 years ago
The original price of a new pair of shoes is $40. If there is a 20% discount on all shoes, how much is deducted from the origina
Bond [772]

Answer:

$8

Step-by-step explanation:

for a discount of 20% we require to calculate 20% of $40

20% = \frac{20}{100} = 0.2, hence

discount = 0.2 × $40 = $8


3 0
3 years ago
Is 1.337... rational or irrational
olya-2409 [2.1K]
Irrational irrational
3 0
3 years ago
Find the diameter of a cone that has a volume of 104.67 cubic inches and a height of 4 inches. Use 3.14 for pi.
Lady bird [3.3K]

Answer:

Step-by-step explanation:

The volume of a cone is

V=\frac{1}{3}\pi r^2h

Filling in what we have:

104.67=\frac{1}{3}(3.14)r^2(4)  and simplifying a bit:

104.67=\frac{1}{3}(12.56)r^2

Multiply both sides by 3 to get:

314.01=12.56r^2

Divide both sides by 12.56 to get:

25.00079618=r^2 and take the square root of both sides to find the radius:

r = 5

If the radius is 5 and the radius by definition is half the diameter, then the diameter is 10 inches.

7 0
3 years ago
A rectangle of perimeter 74 cm is 7cm longer than it is wide. what is the length of each side?​
Mumz [18]

I assume that you mean: the length is 7cm more than the width, and the perimeter is 74 cm.

If so, we can write down the following system, where l and w represent, respectively, the length and the width:

\begin{cases}l=w+7\\2(l+w)=74\end{cases} \iff \begin{cases}l=w+7\\l+w=37\end{cases} \iff \begin{cases}l=w+7\\(w+7)+w=37\end{cases}

We can easily solve the second equation:

(w+7)+w=37 \iff 2w+7=37 \iff 2w=30 \iff w=15

And finally solve for the length:

l=w+7=15+7=22

6 0
4 years ago
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