List the sides and angles of △ABC in order from smallest to largest.

Mathematics

2 answers:

Rudik [331]3 years ago

8 0

Answer:

See below

Step-by-step explanation:

Find angle A by subtracting the others from 180

180 - 81 - 17 = 82

Put in order from least to greatest

Angles: B, C, A

Then the opposite sides will follow the same pattern, so they are

Sides: AC, AB, BC

Veseljchak [2.6K]3 years ago

5 0

Answer:

Step-by-step explanation:

So we'll do angles , all angles of a triangle add up to 180 degrees, so 81+17=98 and 180-98=82 so the angles in order from least to greatest are B A C

Then we have the length CA is the shortest then the AB then BC

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Determine the sum of the first 9 terms in the geometric series where r= -0.25 and a1= 256.

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$\bf \qquad \qquad \textit{sum of a finite geometric sequence} \\\\ S_n=\sum\limits_{i=1}^{n}\ a_1\cdot r^{i-1}\implies S_n=a_1\left( \cfrac{1-r^n}{1-r} \right)\quad \begin{cases} n=n^{th}\ term\\ a_1=\textit{first term's value}\\ r=\textit{common ratio}\\ ----------\\ r=-0.25\\ a_1=256\\ n=9 \end{cases}$

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