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I need help with problems 62 and 63.

 

 Sep 3, 2020
 #1
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Hello. I shall allow someone else to solve the question 62. I am unable to solve it.

 

63) We are given a right triangle prism with an area of 450. L=15, and B=5.

 

This means the (5*15*(AB))/2 = 450 so 900 = 75(AB), so AB = 900/75 = 12

 

Notice how we are given that there is a right triangle. This means that we can apply the Pythagorean Theorem. a²+b²=c². a = 5, b = 12. If you know the basic Pythagorean Triples, then you will remember the (5, 12, 13) one. 

 

This means that our missing side is 13.

 Sep 3, 2020
 #2
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62.      IF the line BD is passing through the center of a circle, then the angle x must be 90 degrees!

 

           IF lines BC and CD are congruent, then the value of angle x is 66 degrees

 

(btw, those suggested answers are there to be ignoredlaugh)

 Sep 3, 2020

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