top button
Flag Notify
    Connect to us
      Site Registration

Site Registration

What is the measure of angle AEF? What is the perimeter of triangle ECF? That is, what is the value of EC + CF + FE?

0 votes
1,005 views

The square ABCD has a side length equal to 1. Suppose E is on side DC, F is on side BC, ∠EAF = 45°, and ∠AFB = 70°, as shown.

enter image description here

Part 1: What is the measure of angle AEF?

Part 2: What is the perimeter of triangle ECF? That is, what is the value of EC + CF + FE?

posted Jul 2, 2020 by Vikram Luthra

Looking for solution? Promote on:
Facebook Share Button Twitter Share Button LinkedIn Share Button




Similar Puzzles
0 votes

The square ABCD has a side length of 1, and AEF is an equilateral triangle. What is the area of AEF?

enter image description here

0 votes

Suppose ABCD is a square. Let E be interior to the square such that EDC = ECD = 15°.
What is the measure of angle EBC?

enter image description here

0 votes

A copy of square ABCD is rotated clockwise about vertex A to square A’B’C’D’ such that D’B’C is a straight line segment, as shown below.
What is the measure of angle D’ED?
enter image description here

...