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Ivanshal [37]
3 years ago
9

The four-sided geometric figure pictured is called a parallelogram. One feature of parallelograms is that opposite sides have eq

ual lengths. The dotted line splits the parallelogram into two triangles. What is true about the congruency of the two triangles? 1)More information is needed. 2)The triangles can be proven congruent using SSS. 3)The triangles can be proven congruent using HL. 4)The triangles are not congruent.

Mathematics
2 answers:
tangare [24]3 years ago
5 0

Answer:

The answer is the option 2

The triangles can be proven congruent using SSS

Step-by-step explanation:

we know that

The property of a parallelogram are the following

a) Opposite angles are congruent

m

b) Consecutive angles are supplementary

m

c) The diagonals of a parallelogram bisect each other

d) Opposite sides are parallel and congruent

AD=BC, AB=DC

see the attached figure to better understand the problem

Remember that

If two triangles are congruent by SSS

then

their corresponding sides are congruent

In this problem

the triangles ABD and CDB are similar by SSS

because

AD=BC, AB=DC -----> Opposite sides are congruent

Musya8 [376]3 years ago
3 0

B is correct answer.

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Rudik [331]

Answer:

t = sqrt(500/4.9) =~ 10.1 seconds/ Answer: 10.1015 seconds (this is approximate)

Step-by-step explanation:

Use 4.9t^2 + v0t = s

a) A bolt falls off an airplane at an altitude of 500 m. Approximately how long does it take the bolt to reach the ground?

s = 4.9t^2 + v0t = 500

4.9t^2 = 500

t = sqrt(500/4.9) =~ 10.1 seconds

Part A)

v = initial velocity = 0

s = 500 = vertical distance the object travels (from plane to ground)  

Plug in the given values and solve for t

4.9t^2 + v*t = s

4.9t^2 + 0*t = 500

4.9t^2 + 0 = 500

4.9t^2 = 500

t^2 = 500/4.9

t^2 = 102.04081632653

t = sqrt(102.04081632653)

t = 10.101525445522

t = 10.1015

Answer: 10.1015 seconds (this is approximate)

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Pani-rosa [81]
K/11 = 7
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Answer
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