If an object is placed a distance 0.3 meters away from a curved mirror, and the resulting image has a magnification of -5. What can you say about the mirror? A. it is concave
B. it is diffuse
C. it is convex
D. it is flat

answer: 7

step-by-step explanation:

here is a big fat

180°

step-by-step explanation:

sum of equilateral triangle=180°

< n=60°

< m=120°°[angle supplementary of equilateral angle]

< m+< r+< x=360°(sum of exterior angle of triangle)