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zlopas [31]
3 years ago
7

In triangle ABC, D is the midpoint of side AC and E is the midpoint of side BC.

Mathematics
1 answer:
cestrela7 [59]3 years ago
8 0

Answer:

14

Step-by-step explanation:

Since all sides are half of greater triangle.Then 7 × 2 = 14 is length of greater hypotenuse.

Suppose two triangles with similar conditions

1^2+1^2=2

Hypotenuse=2^1/2

We assume another triangle which is exactly double of previous triangle I.e

2^2+2^2=8

Hypotenuse=2×2^1/2

Which is exactly twice of previous triangle.

Hence proved hyootenuse is double of smaller triangle I.e 14

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ou are standing 45 meters from the base of the Empire State Building. You estimate that the angle of elevation to the top of the
svetlana [45]

Answer:

443.2m

Step-by-step explanation:

Given in the question that,

distance from building to me = 45m

angle of elevation = 82°

building is 123 m + x m high

If we closely observe then this situation make a right angle triangle and we will use trigonometry identity to solve the question.

Step 1

tan(82) = y / 45

y = 45tan(82)

y = 320.2 m

Step 2

Hence the height of building is y + 123m. So, plug the value of y in this

320.2 + 123 = 443.2

8 0
3 years ago
Solve this:<br><br> M + 15.4 = 27.92
larisa86 [58]

Answer:

m= 12.52

Step-by-step explanation:

27.92-15.40=12.52

8 0
2 years ago
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What is the median of this data?
melisa1 [442]
The correct answer is 48
6 0
4 years ago
Read 2 more answers
What is the length of the hypotenuse of the triangle below?
Maru [420]

Answer:

Option (E)

Step-by-step explanation:

In the figure attached,

Given a isosceles right triangle with two equal legs measuring 3\sqrt{2} units

By Pythagoras theorem,

(Hypotenuse)² = (Leg 1)² + (Leg 2)²

Since, hypotenuse = h

Leg 1 = Leg 2 = 3√2

Now we substitute the values,

h² = (3√2)² + (3√2)²

h² = 18 + 18

h = √36

h = 6 units

Therefore, length of the hypotenuse is 6 units.

Option (E) will be the answer.

8 0
3 years ago
PLEASE HELP, CORRECT ANSWER GET BRANiliest
elixir [45]

Answer:

Yes, this is correct

Step-by-step explanation:

First of all look at the picture it will help.

2nd of all rhombuses are always Perpendicular when you Bisect them.

8 0
3 years ago
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