7th grade math ms.Sue please asap!
posted by Delilah .
1.
Which set represents a Pythagorean triple? (1 point)
27, 38, 42
33, 44, 55
35, 38, 42
68, 72, 81
2.
Which number completes the Pythagorean triple: 12, 16, ____? (1 point)
18
20
22
24
3.
A base ball diamond is square. The distance from home plate to first base is 90 feet. In feet, what is the distance from home plate to second base? (1 point)
127
81
19
13
4.
A town clock has a minute hand that is 1.5 meters long and an hour hand that is 1.2 meters long. What is the approximate distance in meters between the ends of the hands at 9 o’clock? (1 point)
2.3
1.9
0.9
0.3
5.
A television set is 36 inches wide and has a diagonal length of 42 inches. To the nearest inch, how tall is the set? (1 point)
9
13
22
55
Are my answers correct?
1. 33, 44, 55
2. 20
3. 19
4. 1.9
5. 55
I am confused about 3....can you explain how do do it?

7th grade math ms.Sue please asap! 
Ms. Sue
3 and 5 are wrong.
3. The distance between home plate and second base is the hypotenuse. The two sides of this right angle triangle are 90 feet and 90 feet.
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which set represents pythagorean triple? A.27,38,42 B.33,44,55 C.35,38,42 D.68,72,81 Someone please explain the answer?