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Xelga [282]
3 years ago
14

I’m confused on this one

Mathematics
2 answers:
Xelga [282]3 years ago
5 0
\sf Hello!

• \sf Base = 10\: ft
• \sf Height = 13\: ft

\sf Here,
\sf We\: only\: require \: Base\: and\: Height\: only.

\sf Area \: of\: Triangle :

= \dfrac{\sf 1}{\sf 2} × \sf Base × \sf Height

= \dfrac{\sf 1}{\sf 2} × \sf 10 × \sf 13

= \sf 5 × 13\: ft^{2} = \sf 65\: ft^{2}

\sf Hence,
\sf Area\: of\: the\: Triangle \: is\: 65\: ft^{2}

~ \sf iCarl
erastovalidia [21]3 years ago
4 0

In the chart of the triangle it shows that the variable b is the base. It also give us the equation for area 1/2bh (half of base * height)

Now we just plug in the values we are given

1/2bh

1/2(10*13)

1/2(130)

65

The area of the triangle is 65 ft

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Molodets [167]

Answer:

An expression that represents repeated multiplication of the same factor is called a power. The number 5 is called the base, and the number 2 is called the exponent. The exponent corresponds to the number of times the base is used as a factor.

Step-by-step explanation:

6 0
3 years ago
If a=-1,b=-6 and c=2 then what is the value of b2-4ac?​
grandymaker [24]

Answer:

-4

Step-by-step explanation:

(-6)(2)-4(-1)(2)

(-12)-(-8)

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4 0
3 years ago
A plot of land has been surveyed for a new housing development with borders AB, BC, DC, and DA. The plot of land is a right trap
sdas [7]

Answer:

m∠ABC = 119° and DC = 105 feet

Step-by-step explanation:

For better understanding of the solution see the attached figure of the trapezium ABCD :

m∠BCD = 61°

By using the property, Sum of interior opposite angles in a trapezium is supplementary ⇒ m∠BCD + m∠ABC = 180°

⇒ m∠ABC = 180° - 61°

⇒ m∠ABC = 119°

Now, to find length of DC,

Draw a perpendicular BE on CD ⇒ CD = DE + EC

AB = DE

⇒ DE = 80 feet

In ΔBEC, By using Pythagoras theorem

EC² = BC² - BE²

⇒ EC² = 65² - 60²

⇒ EC = 25 feet

Hence, DC = 80 + 25

                   = 105 feet

3 0
2 years ago
Read 2 more answers
Can you help me with this assignment​
slamgirl [31]
Where what assignment are you talking about
8 0
3 years ago
Read 2 more answers
If h= 11 units and r=4 units then what is the approximate volume of the cone
muminat

Answer:

V≈184.31

Step-by-step explanation:

V=πr2h

3=π·42·11

3≈184.30677

8 0
2 years ago
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