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3 years ago

The base of a prism is never a

Mathematics

2 answers:

Alexandra [31]3 years ago

4 0

Answer:

Circle

Step-by-step explanation:

Technically a cylinder is not a prism because its sides are curved.

34kurt3 years ago

3 0

Answer:

circle,oval overall its never round or with curves

Step-by-step explanation:

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Lilly likes to collect records. Last year she had 15 records in her collection. Now she has 18 records. What is the percent incr

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I’m sorry i can’t help u with this b

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3 years ago

Katrina has $210 in her savings account. She plans to buy books for her friends for Christmas. The books cost $7 per book. Which

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3 years ago

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Name a point that is the square root of 2 away from(-1,5)

DerKrebs [107]

Answer:

Any point on the circle (x + 1)² + (y - 5)² = 2 with center (-1 , 5) and radius √2

Step-by-step explanation:

circle: (x + 1)² + (y - 5)² = 2

3 0

3 years ago

In an isosceles trapezoid the length of a diagonal is 25 cm and the length of an altitude is 15 cm. Find the area of the trapezo

andreev551 [17]

Answer:

The area of the trapezoid is $525\ cm^{2}$

Step-by-step explanation:

we know that

The area of a isosceles trapezoid is equal to the area of two isosceles right triangles plus the area of a rectangle

step 1

<em>Find the area of the isosceles right triangle</em>

Remember that

In a isosceles right triangle the height is equal to the base of the triangle

we have

$h=15\ cm$

$b=15\ cm$

The area is equal to

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

substitute the values

$A=\frac{1}{2}(15)(15)=112.5\ cm^{2}$

step 2

Find the area of the rectangle

The area of the rectangle is equal to

$A=LW$

we have

$W=15\ cm$ -----> is the height of the trapezoid

$d=25\ cm$ -----> the diagonal of the rectangle

Applying the Pythagoras Theorem

$25^{2}=L^{2}+15^{2}\\L^{2}=25^{2}-15^{2} \\ L^{2} =400\\L=20\ cm$

The area of the rectangle is

$A=(20)(15)=300\ cm^{2}$

step 3

Find the area of the trapezoid

$A=2(112.5\ cm^{2})+300\ cm^{2}=525\ cm^{2}$

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4 years ago

Read 2 more answers

Determine what is the distance from the point to the origin?

marta [7]

Answer:

4.5

Step-by-step explanation:

0 is the origin.

0-(-4.5)=

0+4.5=4.5

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3 years ago