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nata0808 [166]
2 years ago
12

In triangles DEF and OPQ, ∠D ≅ ∠O, ∠F ≅ ∠Q, and segment DF ≅ segment OQ. Is this information sufficient to prove triangles DEF a

nd OPQ congruent through SAS? Explain your answer.
Mathematics
1 answer:
zalisa [80]2 years ago
3 0

Answer:

We can't prove this with the SAS postulate.

Step-by-step explanation:

SAS means that two sides and the angle between those two sides are equal.

Side Angle Side (SAS)

That's why we can't prove this with the SAS postulate.

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Answer:

64.108

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The area of the regular pentagon is 6.9 cm2. What is the perimeter? 2 cm 5 cm 10 cm 20 cm
disa [49]

Given

Area of the regular pentagon is 6.9 cm².

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To proof

Formula

Area of regular pentagon is

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area of regular pentagon = 6.9 cm²

now equating the area value with the area formula.

6.9 =\frac{1}{4}\sqrt{5(5+2\sqrt{5})} a^{2}

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put in the above equation

\frac{6.9\times 4}{\sqrt{5(5+2\times2.24)}}=a^{2}\\\frac{27.6}{\sqrt{47.4}}=a^{2}\\\frac{27.6}{6.88}=a^{2}

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As perimeter  represented the sum of all sides.

i.e regular pentagon have five sides of equal length.

Thus

perimeter of the regular pentagon = 5 × side length

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option c is correct

Hence proved









3 0
3 years ago
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Step-by-step explanation:

x+5=36

or, x=36-5

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5 0
2 years ago
What does x equal? I need the answers ASAP plz
Ainat [17]
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subtract 6 from both sides, you get (1/3)x=-19
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3 years ago
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