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3 years ago

What is the area of the Base?

Mathematics

2 answers:

GaryK [48]3 years ago

8 0

Answer:

314.16

Step-by-step explanation:

bacause AB=πr

AB=π10*10=314.16

Musya8 [376]3 years ago

4 0

Answer:

100π

Step-by-step explanation:

The base is just the area of a circle (πr²). Since the radius is 10m, the area would be (10²π) or 100π.

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Expand the following (4/5d - 7e)2

tensa zangetsu [6.8K]

Answer: $\dfrac{16d^2}{25}+49e^2-\dfrac{56de}{5}$

Step-by-step explanation:

Given

The expression is

$(\dfrac{4d}{5}-7e)^2$

Use identity $(a-b)^2=a^2+b^2-2ab$

Apply identity

$\Rightarrow \left( \dfrac{4d}{5}-7e\right)^2=\left( \dfrac{4d}{5}\right)^2+(7e)^2-2\times \left( \dfrac{4d}{5}\right)(7e)\\\\\Rightarrow \left( \dfrac{4d}{5}-7e\right)^2=\dfrac{16d^2}{25}+49e^2-\dfrac{56de}{5}$

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3 years ago

Please help fast it’s a test

photoshop1234 [79]

Answer:

The first box is 8 and the second box is 96

Step-by-step explanation:

Hope this helps!

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3 years ago

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Lera25 [3.4K]

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3 years ago

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What is the slope of the line that passes through the points ( 15,3 ) and (-21,6)

vlabodo [156]

Answer:

-1/12

Step-by-step explanation:

m=(y2-y1)/(x2-x1)

m=(6-3)/(-21-15)

m=3/-36

simplify

m=-1/12

4 0

3 years ago

Quadrilateral ABCD is inscribed in circle 0 What is m<A

valentinak56 [21]

We know that
A quadrilateral is inscribed in a circle if and only if the opposite angles are supplementary. ( Inscribed Quadrilateral Theorem)
so
m∠B+m∠D=180°
2x+(3x-5)=180
5x=180+5
5x=185
x=185/5
x=37°

m∠A=x+5-----> 37+5------> 42°

the answer is
m∠A is 42°

6 0

3 years ago