Answer:
20 / 4 is the correct answer.
Answer: 15, 17, 19
Step-by-step explanation:
Hi!
<h3>To divide a fraction, you multiply by the reciprocal of the second fraction.
</h3><h3>First, convert the mixed numbers to fractions, by multiplying the denominator by the whole number and adding that to the numerator. </h3>
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2 * 7 = 14
14 + 1 = 15
15/7
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4 * 1 = 4
4 + 1 = 5
5/4
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<u>
</u>
<h2>The answer is 1 5/7 </h2>
Hope this helps! :)
-Peredhel
So a triangle is always 180°.
If one angle is 90° then we can subtract that from the 180° to find out how much the other two will be.
180°-90°=90°
So the other two angles added together will have to equal 90°.