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Effectus [21]
3 years ago
10

What is the sum of the measures of the interior angles of an octagon

Mathematics
2 answers:
nevsk [136]3 years ago
8 0

Answer:

1080°

Step-by-step explanation:

hope it's helpful

vladimir2022 [97]3 years ago
5 0
All sides are the same length (congruent) and all interior angles are the same size (congruent). To find the measure of the angles, we know that the sum of all the angles is 1080 degrees (from above)... And there are eight angles... So, the measure of the interior angle of a regular octagon is 135 degrees.
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Jana uses 20 cards to play a memory game the cards are either animal cards or fruit cards. The ratio of animal cards to fruit ca
Verdich [7]

Given that,

Total no of cards = 20

The ratio of animal cards to fruit cards is 2:3

No of animal cards = 20

Solution,

Let there are 2x animal cards and 3x fruit cards. ATQ,

2x+3x = 20

5x = 20

x = 4

Animal cards = 2x

= 2(4)

= 8

Fruit cards = 3x

= 3(4)

= 12

It is also mentioned that, of the cards, 1/3 have bananas on them. It means,

B=\dfrac{1}{3}\times 12\\\\=4

Hence, 4 cards have bananas on them.

5 0
3 years ago
Describe a sequence of transformations that maps ABC to A'B'C'.
Sphinxa [80]

The correct answer is " (1) Reflect ABC across the x-axis and call this new triangle A'B'C'. (2) Translate A'B'C' 2 units right and 6 units up so that its image is A''B''C''. "


It is assumed that the points are

A in ABC is (1,9), B in ABC is (3,12), and C in ABC is (4,4). 


A'' in A''B''C'' is (3,-3), B'' in A''B''C'' is (5,-6), and C'' in A''B''C'' is (6,2).


Both triangles are congruent. Since they are congruent, there are no contractions nor dilations occured. After rotating clockwise, we get A"C"B". So we need to reflect it to get A"B"C"


hope this helped :D

7 0
2 years ago
What two numbers multiply to give you -64 and add up to 0?
aksik [14]
I think it’s Positive 5
7 0
2 years ago
Read 2 more answers
Please help me, thank you
Pavel [41]

Answer:

the answer is -3. Your welcome

4 0
2 years ago
Hank opened 36% of his emails. If he opened 27 emails, how many did he have in his inbox?
Kaylis [27]

Answer:60ish

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
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