Question

Measures of angles of □ABCD are in the ratio 4:5:7:8. Show that □ABCD is

atrapezium.​

Answer 1

Step-by-step explanation:

Let the sides be 4x°,5x°,7x° and 8x°

Sum of all the angles of trapezium is 360°

4x°+5x°+7x°+8x°=360°

24x°=360°

x=360°/24°

x=15°

4x°=4×15°=60°

5x°=5×15°=75°

7x°=7×15°=105°

8x°=8×15°=120°

Answer 2

Answer:

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