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wlad13 [49]
2 years ago
11

A person standing on the bank of a river finds that the angle of elevation of the top of a tower on the opposite bank is 45°. Th

en which of the following statements is correct? a)Width of the river is twice the height of the tower. b)Width of the river is half the height of the tower. c)Width of the river is equal to the height of the tower. d)None of these.
Mathematics
2 answers:
nataly862011 [7]2 years ago
8 0

Answer:

C

Step-by-step explanation:

Since this creates a 45-45-90 triangle, we know they are equal since the legs of 45-45-90 triangles are congruent

bulgar [2K]2 years ago
7 0

Answer:

c)Width of the river is equal to the height of the tower

Step-by-step explanation:

sure ans!! Hope it helps

Pls mark as Brainliest!!

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NEED HELP ON THIS . THANKS FOR THE HELP
Vedmedyk [2.9K]
\dfrac{1.4\cdot10^5}{3.5\cdot10^3}=\dfrac{1.4}{3.5}\cdot10^{5-3}=0.4\cdot10^2=0.4\cdot100=40
The diameter of Jupiter is about 40 times the diameter of Earth's moon.

5 0
3 years ago
What are the measures of Angles a, b, and c? Show your work and explain your answers.
Lyrx [107]

Answer:

  (a, b, c) = (30°, 60°, 105°)

Step-by-step explanation:

Angle "a" and 30° are vertical angles, hence equal.

Angle "b" and angle "a" are complementary angles, so b = 90° -30° = 60°.

Angle "c" is supplementary to the one marked 75°, so is 180° -75° = 105°.

___

Angles "a" and "b" are complementary because the sum of angles in a triangle is 180° and the third angle in that triangle is 90°. Then ...

  a+b = 180°-90° = 90°

___

75° and "c" are supplementary, because they are linear angles. The angle measure of a line is 180°, so that is their total measure.

6 0
3 years ago
An angle is a figure formed by two? with a common?
Doss [256]
Yes ok it is with a common
6 0
3 years ago
Helppppp!!!!!! Plsss
PtichkaEL [24]

Answer:

A!

Step-by-step explanation:

open circle = the number it's on isn't an answer

the arrow is pointing left, the negative side so it's less than :)

6 0
2 years ago
Please help me please !!
sweet [91]

Answer:

Acute

Step-by-step explanation:

7² + 9² ? 11²

49 + 81 ? 121

130 is greater than 121, so it is an acute triangle

8 0
2 years ago
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