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3 years ago

Which rule explains why these triangles are congruent?

Mathematics

1 answer:

iogann1982 [59]3 years ago

8 0

Answer:

AAS

Step-by-step explanation:

$In\: \triangle CFG \:\&\:\triangle GHC$

$\angle CFG \cong \angle CHG$ (Given)

$\angle FCG \cong \angle HGC$ (Given)

$\overline {CG} \cong \overline {GC}$ (Common side)

$\therefore \triangle CFH\cong\triangle GHC$

(By AAS POSTULATE)

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An animal gained 5 kilograms steadily over 20 years. What is the unit rate of kilograms per year?

balandron [24]

The unit rate is 0.25 kilograms per year.

Step-by-step explanation:

Lets define unit rate first

Unit rate is the change in quantity per unit time.

Given

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So,

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Hence,

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Keywords: Unit rate, rate of change

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3 years ago

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2 years ago

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sesenic [268]

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3 years ago

The height of dachshunds is usually 1/3 their length. If Mollie is 20 inches long, how tall is she?

arlik [135]

This is a proportion problem.

Let's make her Length x and her height 1/3 x.

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3 years ago

Read 2 more answers

Please solve the question and give correct answer with explanation so that i can understand it

denis-greek [22]

Answer:

Step-by-step explanation:

Let the speed of the car is c and speed of the plane is p.

<h3>We are given:</h3>

The speed of the plane is 7 times the speed of the car

p = 7c

The distance traveled is

d = 315 km

The time difference to travel this same distance is 3 hours.

d = ts, where d- distance, t- time, s - speed

Find the time for car and plane and their difference.

t = d/s = 315/c

<h3 /><h3>Plane</h3>

t = d/s = 315/p = 315/(7c) = 35/c

<h3 /><h3>The difference</h3>

315/c - 45/c = 3

Solve it for c:

(315 - 45)/c = 3
270/c = 3
c = 270/3
c = 90 km/h

Now find the speed of plane:

p = 7c = 7*90 = 630 km/h

As we see, Jenny is right

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2 years ago

Which rule explains why these triangles are congruent? ​

Which rule explains why these triangles are congruent?