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ElenaW [278]
3 years ago
8

A. How many lines of symmetry does a regular polygon have? B. Give a rule for the number of lines of symmetry in a regular polyg

on. In two or more complete sentences, justify the rule.
Mathematics
1 answer:
astra-53 [7]3 years ago
6 0
A regular polygon has about 5 lines of symmetry. The number of lines of symmetry is equivalent to the number of sides.
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The corresponding sides of ΔABC and ΔDEF have equal lengths. The area of ΔABC is 4 square units, and the longest side of ΔDEF is
lisabon 2012 [21]

Answer:

  4 square units

Step-by-step explanation:

If the triangles have corresponding sides the same length, they are congruent triangles. Any measure of ΔABC is the same for ΔDEF.

The area of ΔDEF is 4 square units.

3 0
3 years ago
Simplify √7/18 please help<br><br> √14/7<br><br> √14/6<br><br> √6/14
Mrac [35]

Answer:

14/6

Step-by-step explanation:

4 0
3 years ago
A construction crew is building a two story house, but they have not built the staircase between the floor yet. The height of th
Naya [18.7K]

Answer:

13.4feet

Step-by-step explanation:

The set up forms a right triangle.

Given

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Base of the stairs b = 6feet

Required

Length of the ramp l

Using the pythagoras theorem

l² = h² + b²

l² = 12²+6²

l² = 144 + 36

l² = 180

l = √180

l = 13.42 feet

Hence the length of the ramp to the nearest tenth is 13.4feet

6 0
3 years ago
NEED ANSWERS!!!
Finger [1]

Answer:

Will earn $74.38 in interest or for the total $924.38 for the total amount accrued, principal plus interest

Step-by-step explanation:

I = p x rt

I = 850 x 0.035 x 2.5 = 74.38    (interest)

P' = p + I = 850 + 74.38 = 924.38

3 0
3 years ago
Guided Practice
marysya [2.9K]
It’s d because 12-15%=10.20
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3 years ago
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