2 years ago

Name the quadrilaterals that have four equal angles.

Mathematics

2 answers:

Alex73 [517]2 years ago

7 0

B. square, rectangle

weqwewe [10]2 years ago

6 0

The answer is a .......

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weqwewe [10]

Answer:

I believe its either 20 or 14

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2 years ago

The base of the right prism is a rhombus with the side 7 cm. The altitude of the prism is h=13 cm. Find the lateral area of the

Art [367]

Answer:The lateral area is $364\ cm^{2}$

Step-by-step explanation:

we know that

The lateral area of the right prism is equal to

$LA=Ph$

where

P is the perimeter of the base

H is the height of the prism

Find the perimeter of the base P

$P=4(7)=28\ cm$ ----> the rhombus has four equal sides

$h=13\ cm$

substitute

$LA=28(13)=364\ cm^{2}$

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RideAnS [48]

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Write an equation in which the quadratic expression 2x^2-2x-13 equals 0

torisob [31]

Answer:

x = 3 and -2 are the two solutions.

Step-by-step explanation:

2x^2 -2x -12 = 0

First factor out a 2

2(x^2 - x - 6) = 0

2(x - 3)(x + 2) = 0

2 = 0 x - 3 = 0 x + 2 = 0

2 does not equal zero so this is an extraneous solution

x - 3 = 0 so x = 3

x + 2 = 0 so x = -2

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