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nikdorinn [45]
3 years ago
12

5 A triangle has two congruent angles. The length of one

Mathematics
2 answers:
nlexa [21]3 years ago
4 0

Answer:

<em>Answer: C. 32 cm</em>

Step-by-step explanation:

<u>Triangle Inequality Theorem </u>

Let y and z be two of the side lengths of a triangle. The length of the third side x cannot be any number. It must satisfy all the following restrictions:

x + y > z

x + z > y

y + z > x

Combining the above inequalities, and provided y>z, the third size must satisfy:

y - z < x < y + z

We know the triangle has two congruent angles, which means the triangle is isosceles, i.e., it has two congruent sides.

We are given two side lengths of 16 cm and 32 cm. The third side must have a length of 16 cm or 32 cm for the triangle to be isosceles.

If the third side had a length of 16 cm then the lengths would be 16-16-32. But that combination cannot form a triangle because of the condition stated above.

If y=16, z=16, and x=32 (the worst possible combination), then the inequality

0 < x < 32

wouldn't be satisfied, thus the third side cannot have a length of 16 cm and it must have a length of 32 cm

Answer: C. 32 cm

anzhelika [568]3 years ago
4 0

Answer:

Step-by-step explanation:

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The length of a rectangle is 8 inches longer than the width. If the area is 295 square inches, find the
sladkih [1.3K]

Answer:

L=21.6in and w=13.6

Step-by-step explanation:

If the length is 8 inches longer than its width, we can write the width as "w" and the length as the width w+ 8

Area is (width)(Length) = (width)(width+8)

W

----------

| |

| |

| | L = w+8

| |

| |

-----------

A = (w+8)(w)

A = w2 + 8w = 295.

(Problem states that area is 295 sq in)

Need to solve this quadratic equation

w2 +8y - 295 = 0

Factor:

(w - 13.64) (w + 21.64) = 0

So

w - 13.64 = 0. or. w + 21.64= 0

Solve these and get

w = 13.64. or. w = -21.64

Only one that makes sense in real life is the poitive one.

So the dimensions are

Width = 13.64 inches

Length = 21.64 inches

7 0
3 years ago
Write the standard form for 25
pishuonlain [190]

Answer:

twenty fifth

Step-by-step explanation:


3 0
3 years ago
Your school is organizing a carnival. You are building a ramp for a game. The surface of the ramp will be 8 feet long with a tot
saw5 [17]

Answer:

The answer is sin-1(5/8)

Step-by-step explanation:

I don't have a calculator but just plug that in in degree mode.

8 0
3 years ago
kylee bought a pack of 12 cookies one-third of the cookies are peanut butter. how many cookies in the pack are peanut butter?
jekas [21]
One-third of 12 cookies are peanut butter.

12/3 =4

4 cookies are peanut butter

6 0
3 years ago
Read 2 more answers
△QRS is rotated about point P to △Q′R′S′ .
Sedbober [7]

Answer:

As Given △QRS is rotated about point P to △Q′R′S′ .

As we know after rotation by any angle of pre-image neither the shape nor size of the image changes, the image after rotation is congruent to pre image.

Out of the options given

→The corresponding lengths, from the point of rotation, between the pre-image and the image are preserved.

→The corresponding angle measurements in each triangle between the pre-image and the image are preserved.

are true.



4 0
3 years ago
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