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3 years ago

A) chaim used an invalid reason to justify the congruence of a pair of sides or angles.

Mathematics

1 answer:

Juliette [100K]3 years ago

6 0

Answer:

Step-by-step explanation:

Side Side Angle does not exist.

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a 12-ft ladder leans against a building so that the angle between the ground and the ladder is 74°. how high does the ladder rea

WINSTONCH [101]

Answer:

12 feet

Step-by-step explanation:

Sometimes, a simple drawing is a great way to start! In the attached drawing, the red line represents the ladder, the brown represents the ground, and the black represents the building!

We want to find the side of the triangle from where the ladder meets the building to where the building meets the ground. This can be found using trigonometric identities, namely sine:

$sin\theta=\frac{opposite}{hypotenuse}$

Plug in known values:

$sin(74^o)=\frac{x}{12}$

Rearrange to isolate the variable:

$x=12sin(74^o)$

Simplify!

$x=11.535140... ft$

Round to the nearest foot:

$x=12ft$

8 0

2 years ago

Lucy rented a movie. She started the movie at 9:48 a.m. and it was 3 hours 39 minutes long. When did the movie end

iren2701 [21]

Think through this one...

9:48 + 9 minutes = 9:57

9:57 + 30 minutes = 10:27

10:27 + 3 hours = 1:27 p.m.

6 0

3 years ago

Read 2 more answers

How do economics measure a nations standard of living

ohaa [14]

Yet there is a generally accepted measure for standard of living: average real gross domestic product (GDP) per capita. Let's break it down piece by piece: GDP measures annual economic output — the total value of new goods and services produced within a country's borders.

3 0

3 years ago

Simplify the expression:

kolbaska11 [484]

1. Pretty sure -2x+4/3
2. x+3/x-4

5 0

3 years ago

124.4 divided by 4, idk they want more characters even tho it’s REALLY SIMPLE

klio [65]

Answer:

31.1

Step-by-step explanation: