Maths Olympiad Prep

Track / Stage 4 / 240 of 340 #500 of 1964

Problem 500

AMC 12 late, AIME early
Combinatorics Difficulty 4.9 Find the answer

34. As shown in the figure, A+B+C+D=\angle A+\angle B+\angle C+\angle D= \qquad ^\circ.

Translate the text above into English, please keep the original text's line breaks and format, and output the translation result directly.

A number or a short expression. Spacing, $ signs and \frac vs / are all fine.

Official solution

Answer: 220

Source: NuminaMath-1.5, licensed Apache-2.0. Statement and solution reproduced as published; topic, difficulty and ordering added by this site.