3 years ago

What shape has four equal sides and four right angles? trapezoid square rectangle

Mathematics

2 answers:

Alexeev081 [22]3 years ago

8 0

It’s a square, try to draw a square and count each lines

aliina [53]3 years ago

5 0

The answer is a square

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the measures of two complementary angles are in the ratio 4:1. what is the measure of the smaller angle?

Wewaii [24]

Two complementary angles: α,β

Definition of complementary angles:
α+β=90
β=4α
4α+α=90
5α=90 /:5
α=18

Measure of smallest angle is 18 degrees.

8 0

3 years ago

If CX = 5 units, then DZ = ___ units

gulaghasi [49]

Answer:

$DZ=4\ units$

Step-by-step explanation:

we know that

If CD is parallel to XZ

then

Triangle XYZ is similar to Triangle YCD

therefore

The ratio of their corresponding sides are equal

$\frac{XY}{CY}=\frac{ZY}{YD}$

we have

CX=5\ units, CY=25\ units, YD=20\ units,

$XY=CX+CY$

$XY=5+25=30\ units$

$ZY=YD+DZ$

$ZY=20+DZ$

substitute the values

$\frac{30}{25}=\frac{20+DZ}{20}$

$20\frac{30}{25}={20+DZ}$

$24={20+DZ}$

$DZ=4\ units$

5 0

3 years ago

Read 2 more answers

d) find the function A(x) which is the average cost of a case of juice when x cases are produed per month. state the domain. 

Lerok [7]

Just divided 1.3/100 and it gives you 0.013

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3 years ago

4x4+yxy+4+y=32. what is y?

Ann [662]

20+y2+y=32

y2+y-12=0

(y+4)(y-3)=0

y= -4 or 3

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2 years ago

Please help me! Based on the information marked in the diagram, XYZ and ABC must be congruent.

Annette [7]

True

YZ = BC
<Z = <C
XZ = AC

both triangles are congruent by SAS

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3 years ago