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zlopas [31]
3 years ago
10

DEF is a right triangle. A. True B. False

Mathematics
2 answers:
Vika [28.1K]3 years ago
8 0

------------ False-----------

~ APEX

~ took the quiz

----------------- <3---------------------

Sonbull [250]3 years ago
5 0

Given <u>triangle</u> DEF with the <u>lengths</u> of all <u>sides</u>. If you want to check whether this triangle is <u>right</u>, use the <u>Pythagorean theorem</u>. The greatest side is EF, then only this side could be the hypotenuse.

Check, whether

EF^2=ED^2+DF^2.

Substitute ED=25, EF=48 and DF=27:

DF^2+DE^2=27^2+25^2=729+625=1354,\\ \\EF^2=48^2=2304.

Since 1354\neq 2304, the triangle DEF is not right triangle.

Answer: correct choice is B


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True [87]

Given:

Compound shape

To find:

The area of the compound shape.

Solution:

The compound shape is splitted into two parallelograms.

<u>Bottom parallelogram:</u>

Base = 7.5 cm

Height = 5 cm

Area of the parallelogram = base × height

                                           = 7.5 × 5

                                           = 37.5 cm²

The area of the Bottom parallelogram 37.5 cm².

<u>Top parallelogram:</u>

Base = 7.5 cm

Height = 4.5 cm

Area of the parallelogram = base × height

                                           = 7.5 × 4.5

                                           = 33.75 cm²

The area of the top parallelogram 33.75 cm².

Compound shape = 37.5 + 33.75

                               = 71.25 cm²

The area of the compound shape is 71.25 cm².

7 0
3 years ago
Implicit differentiation!! Please help !! Ignore what i put
notsponge [240]

Answer:

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7 0
2 years ago
-6.4 = z/6<br>what does z =?​
Alecsey [184]

Answer:

-38.4

Step-by-step explanation:

Multiply both sides by 6 to get rid of the /6 then you would get z alone

4 0
2 years ago
Which expression represents the product of negative three-fourths x and –8x? negative 35 over 4 x 6x negative 35 over 4 x square
valentinak56 [21]

The expression that represents the product of negative three-fourths x and –8x is 6x^2

<h3>How to determine the equivalent expression?</h3>

The statement is given as:

the product of negative three-fourths x and –8x

Rewrite properly as:

-3x/4 * -8x

Divide 4 and 8 by 4

-3x * -2x

Multiply -3 and -2

6x * x

Multiply x and x

6x^2

Hence, the expression that represents the product of negative three-fourths x and –8x is 6x^2

Read more about expressions at:

brainly.com/question/723406

#SPJ1

6 0
2 years ago
What are the factors of the expression (y-2)(x+3)
mr Goodwill [35]
The factors of the expression is 2and -3
8 0
3 years ago
Read 2 more answers
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