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aleksley [76]
3 years ago
5

Question 7 Aya and Kendra want to estimate the height of a tree. On a sunny day, Aya measures Kendra's shadow as 3 meters long,

and Kendra measures the tree's shadow as 15 meters long. Kendra is 1.5 meters tall. How tall is the tree?
A.7.5 meters
B.22.5 meters
C.30 meters
D.45 meters
Mathematics
1 answer:
USPshnik [31]3 years ago
7 0
The tree in exactly A.7.5 meters
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MAVERICK [17]

Answer:

b. x+y=18

20x+25y=400

Step-by-step explanation:

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3 years ago
In the given diagram if AB || CD, ∠ABO = 118° , ∠BOD = 152° , then find the value of ∠ODC.
GaryK [48]

Answer:

90°

Step-by-step explanation:

Through point O draw a ray on left side of O which is || to AB & CD and take any point P on it.

Therefore,

∠ABO + ∠BOP = 180° (by interior angle Postulate)

118° + ∠BOP = 180°

∠BOP = 180° - 118°

∠BOP = 62°.... (1)

Since, ∠BOP + ∠POD = ∠BOD

Therefore, 62° + ∠POD = 152°

∠POD = 152° - 62°

∠POD = 90°.....(2)

∠POD + ∠ODC = 180° (by interior angle Postulate)

90° + ∠ODC = 180°

∠ODC = 180° - 90°

\huge\red {\boxed {m\angle ODC =  90°}}

6 0
3 years ago
Lynn is trying to determine how far away Student B is from the balloon. He decides to use the
kaheart [24]

Answer:

See Explanation

Step-by-step explanation:

<em>The question is incomplete as the image that illustrates the scenario is not given.</em>

<em>However, I can deduce that the question is about a right-angled triangle.</em>

<em>So, I will give a general explanation on how to find each of the side of the triangle, given a side and an angle.</em>

<em />

<u>For triangle A (solve for b)</u>

Using cosine formula.

\cos \theta = \frac{Adjacent}{Hypotenuse}

\cos 60= \frac{5}{b}

Make b the subject

b= \frac{5}{\cos 60}

<u>For triangle B (solve for b)</u>

Using cosine formula.

\sin \theta = \frac{Opposite}{Hypotenuse}

\sin 60= \frac{b}{5}

Make b the subject

b = 5\sin 60

<u>For triangle C (solve for b)</u>

Using cosine formula.

\tan \theta = \frac{Opposite}{Adjacent}

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3 0
2 years ago
Read 2 more answers
Need help with this question
Tema [17]

The ratio is width over length.

Make a fraction with the width on top and the length on the bottom:

44/70

Both numbers are even and can be divided by 2,

so the simplified fraction becomes 22/35

6 0
3 years ago
Sorry but need help there is 3 more questions
SVEN [57.7K]
3/4 + 1/8
you gotta find a common denominator

so you end up with
(24+4)/32

=28/32
7/8 is now complete
4 0
3 years ago
Read 2 more answers
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