Question

5. Parallel lines are always (a) unequal (b) equidistant (c) coincident (d) concurrent

6. One of the Acute angles of a right triangle is 58° find the other .

7. If the side of a square is doubled its perimeter will be

( a) Double (b) Half (c) Four times (d) same

8. Check whether 3 , 4 , 5 is a Pythagorean Triplet .
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Answer 1

Answer:

5. (d)

6. (32)

7. (a)

8. Yes

Answer 2

Answer:

5. d) concurrent

6. 42°

7. c) four times

Step-by-step explanation:

6) Let the other angle be x and right angle =90°

90°+58°+x=180°

148°+x=180°

x=180°-148°

x=42°

7) Let the side be 2x

Then

Perimeter = 4×(2x)

Hence verified that when the side get doubled the perimeter is four times.

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Sorry 8th I don't know how to solve.