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GOAL 1 USING PROPERTIES OF TRAPEZOIDS. A trapezoid is a quadrilateral with exactly one pair of parallel sides. The parallel sides are the bases. A trapezoid has two pairs of base angles. For instance, in trapezoid ABCD, TMD and TMC are one pair of base angles. The other pair is TMA and TMB.
The non-parallel sides of a trapezoid are called its lateral sides or legs. The angles at the ends of the larger base of a trapezoid are called the base angles . A mid-line of a trapezoid is the line segment connecting the midpoints of the lateral sides of a trapezoid.
In this lesson you will learn major definitions and facts related to trapezoids and their base angles. Trapezoid is a quadrilateral which has two opposite sides parallel and the other two sides non-parallel (see the Figure 1). The parallel sides of a trapezoid are called its bases (sides AB and DC in Figure 1).
Problem 1. Use the adjacent angles theorem to determine m ∠ZWX. Measure of angle. Problem 2. Use adjacent angles theorem to calculate m ∠MLO. Show Answer. Problem 3. Find the value of x in the trapezoid below, then determine the measure of angles ∠WXY and ∠XYZ. Show Answer. Problem 4. What is wrong with trapezoid LMNO pictured below?
In this lesson you will find solutions of some typical problems on trapezoids. Reminder (see the lessons Trapezoids and their base angles and Trapezoids and their mid-lines under the current topic in this site). Trapezoid is a quadrilateral which has two opposite sides parallel and the other two sides non-parallel.
14 Ιαν 2019 · Essential Understonding The angles, sides, and diagonals of a trapezoid have certain properties. Lesson Vocabulary trapezoid • base • leg • base angle • isosceles trapezoid • midsegment of a trapezoid • kite A trapezoid is a quadrilateral with exactly one pair of parallel sides.
Trapezoids and Kites. Objectives. 1 To verify and use properties of trapezoids and kites. Examples. 1 Finding Angle Measures in Trapezoids. 2 Real-World Connection. 3 Finding Angle Measures in Kites. What You’ll Learn. • To verify and use properties of trapezoids and kites . . . And Why.
