Question

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Answer 1

Answer

1. Happening twice a year

2. A equipment with three legs that you use for putting a camera, etc.

3. A period of three months especially used as a division of the duration of pregnancy

4. a bicycle that has one wheel at the front and two at the back

5.a shape that has three straight sides

6.to multiply or be multiplied by four

7. a square open area with buildings round it in a school, college, etc.

9.one of four equal parts of something

10. lasting for or relating to a period of four years.

Hope it helps!

Answer 2

Answer:

Tripod- a three-legged stand for supporting a camera or other apparatus.

Trimester- a period of three months .

Tricycle-  a bicycle, but having three wheels.

Triangle- A figure with Three angles and three straight sides.

Quadruple -consisting of four parts or elements.

Quadrangle-  four-sided plane figure, especially a square or rectangle.

Quarter- divide into four equal or corresponding parts.

Quadrennial- recurring every four years.

I did not add the meanings of biannual and biped because it starts with 'bi' and not 'tri' or 'quad'.

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