Answer:
i got -8 but the closest is -7 so u can tried that
Step-by-step explanation:
Because ABCD is an isosceles trapezoid, the angles A and D are congruent.
BA and CD are congruent (given) and AD is congruent to itself (reflexive property).
Then triangles BAD and CDA form a pair of SAS triangles, so they are congruent.
BD and CA are corresponding parts in those triangles, so they are congruent (CPCTC).
Answer:

Step-by-step explanation:
volume of the cookie box= length ×breath×height
volume= 6×3×10 = 180cm^3