The face of a lamp shade is shaped like a trapezoid. The dimensions of the face are shown in the diagram.
6 in.
y in
x in
10 in.
Which equation can be used to find A, the area of the face of the lamp shade in square
inches?
FA
GA
1 - 316 + 10)
- +46 + 10)*
= $(6) +
- $(6) + (10)
HA
+ (10)
3

Select the correct answer. given: ∆abc with prove: statement reason 1. given 2. ∠cab ≅ ∠edb ∠acb ≅ ∠deb if two parallel lines are cut by a transversal, the corresponding angles are congruent. 3. ∆abc ~ ∆dbe aa criterion for similarity 4. corresponding sides of similar triangles are proportional. 5. ab = ad + db cb = ce + eb segment addition 6. substitution property of equality 7. division 8. subtraction property of equality what is the missing statement in the proof? scroll down to see the entire proof.