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Activity 3 - "Name It" Refer to the given parallelogram and answer the questions below. Write your answer on a separate sheet of paper. W Z Y 1-2. Give the two pairs of parallel sides that are equal in length: and and 3-6. Name the parallelogram in at least four ways. Name the two triangles in at least three ways: 7-9. Triangle 1 10-12 Triangle 2​

Activity 3 Name It Refer To The Given Parallelogram And Answer The Questions Below Write Your Answer On A Separate Sheet Of Paper W Z Y 12 Give The Two Pairs Of class=

Sagot :

trixieholgado2

Answer:

• A simple closed curve made up of only line segments is called a

polygon.

• A diagonal of a polygon is a line segment connecting two non-

consecutive vertices.

• A convex polygon is a polygon in which no portion of its any

diagonal is in its exterior.

• A quadrilateral is a polygon having only four sides.

• A regular polygon is a polygon whose all sides are equal and also

all angles are equal.

• The sum of interior angles of a polygon of n sides is (n-2) straight

angles.

• The sum of interior angles of a quadrilateral is 360°.

• The sum of exterior angles, taken in an order, of a polygon is 360°.

• Trapezium is a quadrilateral in which a pair of opposite sides is

parallel.

• Kite is a quadrilateral which has two pairs of equal consecutive

sides.

• A parallelogram is a quadrilateral in which each pair of opposite

sides is parallel.

• A rhombus is a parallelogram in which adjacent sides are equal.

• A rectangle is a parallelogram in which one angle is of 900.

• A square is a parallelogram in which adjacent sides are equal and

one angle is of 900.

• In a parallelogram, opposite sides are equal, opposite angles are

equal and diagonals bisect each other.

• In a rhombus diagonals intersect at right angles.

• In a rectangle diagonals are equal.

• Five measurements can determine a quadrilateral uniquely.

• A quadrilateral can be constructed uniquely if the lengths of its

four sides and a diagonal are given.

• A quadrilateral can be constructed uniquely if the lengths of its

three sides and two diagonals are given.

• A quadrilateral can be constructed uniquely if its two adjacent

sides and three angles are given.

• A quadrilateral can be constructed uniquely if its three sides and

two included angles are given.

  

In examples 1 to 8, there are four options out of which one is correct.

Write the correct answer.

Example 1 : The number of diagonals in a polygon of n sides is

(a)

n n( 1)

2

 (b)

n n( 2)

2

 (c)

n n( 3)

2

 (d) n (n–3).

Solution : The correct answer is (c).

Example 2 : The angles of a quadrilateral ABCD taken in an order are

in the ratio 3 : 7 : 6 : 4. Then ABCD is a

(a) kite (b) parallelogram

(c) rhombus (d) trapezium

Solution : The correct answer is (d).

Step-by-step explanation:

Hope its help

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