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lana [24]
3 years ago
6

15. Find the length of x. Round to 1 decimal place.

Mathematics
1 answer:
BabaBlast [244]3 years ago
6 0
15/x = 5/11

5x = 165

x = 33
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In parallelogram DEFG if m< GDE=50° find m
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Answer:

130°

Step-by-step explanation:

180-50=130°

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2 years ago
Theorem: A line parallel to one side of a triangle divides the other two proportionately.
Kisachek [45]

Answer:

Segment BF = 16

Step-by-step explanation:

The given theorem states that a line parallel to one side of a triangle divides the other two sides proportionately

The given theorem is the Triangle Proportionality Theorem

According to the theorem, given that segment DE is parallel to segment BC, we have;

\dfrac{AD}{BD} = \dfrac{AE}{EC}

Therefore;

BD = \dfrac{AD}{\left(\dfrac{AE}{EC} \right) }  = AD \times \dfrac{EC}{AE}

Which gives;

BD = 6 \times \dfrac{18}{12}= 9

Similarly, given that EF is parallel to AB, we get;

\dfrac{AE}{EC} = \dfrac{BF}{FC}

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8 0
3 years ago
What I Can Do
Nostrana [21]
The answer is 3 I’m sure because y=3
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3 years ago
Find the volume! Please help
vaieri [72.5K]

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900 in3

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3 years ago
In ΔABC, if m ∠A = m∠C, m∠B = ß (where ß is an acute angle), and BC = x, which expression gives the length of b, the side opposi
chubhunter [2.5K]

Answer:

The length of b is \sqrt{2x^2(1-cos\beta)}.

Step by step explanation:

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Since two angles are same therefore triangle ABC is an isosceles triangle and side AB and BC are congruent.

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According to Law of cosine

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b^2=2x^2(1-\cos \beta)

\sqrt{2x^2(1-cos\beta)}

Therefore the length of b is \sqrt{2x^2(1-cos\beta)}.

6 0
3 years ago
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