<h3>Answer:</h3><h3>There are 3 true statements, and the true statements are: </h3><h3>choice A, choice C, choice D</h3>
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Explanation:
A. True. All triangles have 3 straight sides and 3 angles.
B. False. All triangles are polygons. A polygon is just a collection of line segments glued together to form a closed shape.
C. True. A plane figure is a flat shape.
D. True. See choice A.
E. False. Some triangles do not have one right angle. Example: obtuse triangles do not have any right angles.
Answer:
a) 7 numbers in term of n = n+1, n+2, n+3, n+4, n+5, n+6 and n+7
b) n+1+n+2+n+3+n+4+n+5+n+6+ n+7
= 7n+28
Step-by-step explanation:
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Answer:
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Step-by-step explanation:
5, 20, 80, 320, 1280, 5120, 20480, 81920, 327680, 1310720, 5242880, 20971520
The 12th term would be 20,971,520
Everything is being multiplied by 4 each time
Answer: 18.84cm
Step-by-step explanation: 3 x 2 x 3.14 = 18.84cm
