The GCF of 21 and 12 is 3. Hope this helps! :)
<h2>-CloutAnswers</h2>
ANSWER
C) Triangle
EXPLANATION
Solving a triangle is the process of calculating unknown side lengths or angle measures of a triangle if certain of the side lengths and/or angle measures are known.
We use the sine rule and cosine rule to find the missing sides and angles.
If the triangle has a right angle, then this is a special case, where we can use the trigonometric ratios and the Pythagoras theorem to find the unknown angles and sides.
Answer:
90+15x=225
Step-by-step explanation:
90 already saved plus 15 an hour equals 225
Answer:
600 rows.
Step-by-step explanation:
All you have to do is divide the 180 minutes by the amount of time it takes to knit on row, so it would be : 180 ÷ 0.3 = 600
Answer:
243.375
Step-by-step explanation:
8.25 times 29.5 hours equals 243.375 (not rounding to nearest cent