Explanation:
step 1. let called the acute angles inside the triangle <1 and <2.
step 2. <2 +140 = 180 (supplementary angle)
step 3. <2 = 40°
step 4. <1 + <2 + 90 = 180. (interior angles of a triangle = 180°)
step 5. <1 + 40 = 90
step 6. <1 = 50°
Answer:
The difference between the purchase with a debit card and the purchase with a credit card lies in the way of financing the amount to be paid. Thus, in the purchase with a debit card, the money with which the purchased good or service is paid is immediately withdrawn from the bank account of the cardholder, with which the debit card works as a cash payment but without use paper money. On the other hand, when paying with a credit card, said amount is not subtracted from the account, but instead a debt is taken with the bank, which must be paid after a certain period.
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