# abcd is an isosceles trapezoid with legs AB and CD and base BC. If the length of AB is 7y-4, the length of BC s 4y-6 and the length of CD is 8y-18, find the value of y. 30 points for brainliest!

Show that ABCD is a trapezoid and determine whether it is an isosceles trapezoid. A quadrilateral is a trapezoid if exactly one pair of opposite sides are parallel.

find each measure. 45. AE. SOLUTION: The trapezoid PQRS is an isosceles trapezoid. So, the. Text. 3 . In parallelogram ABCD, mZ1 = x + 12, and m.

find x=3 5 In the diagram below of parallelogram ABCD with diagonals AC and BD, mZ1 = 45 and find AE. 7x+6=28+36. 5x=30 t36. AE=24]. 2. The diagonal of a square is 10 ft. The cross section of an attic is in the shape of an isosceles trapez Find x*. 12.

## Find the number of sides of a convex polygon if the measures of its ABCD is a parallelogram. If mLCDA Isosceles trapezoid ABCD has legs AB and CD, and.

Find each measure below. (Reound to the nearest tenth when necessary) 8x - 15 2x + 10 5y-6 E 2y… In isosceles trapezoid ABCD AE 2 x 5 EC 3 x 12 and BD 4 x 20 Find xpage 3 of 8 from BUSINESS 101 at Jacksonville University Properties of Isosceles Trapezoids If a quadrilateral is an isosceles trapezoid, then each pair of base angles are congruent. 48 - 1800 = 1800 anqk Properties of Isosceles Trapezoids If a quadrilateral is an isosceles trapezoid, then each pair of base angles are congruent. 1800 1800 To prove the biconditional statement in the Isosceles Trapezoid Diagonals Theorem (Theorem 7.16), you must prove both Parts separately.

### The cross section of an attic is in the shape of an isosceles trapezoid, ratio AB: AE=2:5, find the ratio of the area of triangle ABC to that of the trapezium BCDE.

If for x. 2xo, rnzR= 620, find the value 5 feet, find 5.

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5 Apr 2018 Find an answer to your question Abce is an isosceles trapezoid and acde is a rectangle.

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In triangle ABC, D and E are points on sides AB and AC respectively such that AD × EC = AE × DB. Prove that DE || BC? In Euclidean geometry, an isosceles trapezoid (isosceles trapezium in British English) is a convex quadrilateral with a line of symmetry bisecting one pair of opposite sides. It is a special case of a trapezoid. Alternatively, it can be defined as a trapezoid in which both legs and both base angles are of the same measure.

Find m∠T. The diagram is not to scale. 4 An architect designed a regular decagonal swimming pool.

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### Find the sum of the measures of the interior angles of a convex 45-gon. A 8100 ABCD is a parallelogram with diagonals intersecting at E. If AE = 3x + 12 and EC = 27 For isosceles trapezoid MNOP, which angles are base angles? F ZMN

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## Answer to In quadrilateral ABCD, AE= x+22, andBE= 2x-18. For what value of x is ABCD a rectangle? .42 B.20 C.24 D.22 ABCD is a rhombus. If m1=122, then what is

A B C D. Use parallelogram PQRS for 4—5. 4. If for x. 2xo, rnzR= 620, find the value 5 feet, find 5. If 16 feet and PS- the value for y.

30). 19 Jan 2015 Use the function in part (a) to find the measure of one interior angle of a regular CRITICAL THINKING In the diagram, ABCD is a parallelogram, BF = DE = 12, and CF = 8. Find AE. Using Properties of Isosceles Trapez 13. 7. Given isosceles trapezoid ABCD with , , and . Find YD. 8. A pillow is the of D is the midpoint of CE and; AE = 41.