Question

3.Draw one angle of each type- acute,
obtuse, right and straight.
4. Find the perimeter of rectangle
whose length and breadthare 7 cm
and 4 cm respectively.
5. Find the perimeter of square whose
side is 3 cm.​

Answer 1

Step-by-step explanation:

3. A right angle is always of 90 degree; not less and not more...

An acute angle is always less than a right angle...

A straight angle is always of 180 degree...

4. 7 + 4 + 7 + 4 = 22 cm answer

5. 3 + 3 + 3 + 3 = 12 cm answer

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Answer 2

Answer:

4.perimeter of a rectangle =2(length +breadth)

=2(7+4)

2×11

=22

5.perimeter of square =4×side

=4×3=12.