Step-by-step explanation:
# Area of painting = 20 × 16
# Area of combination = 25 × 20
.°. Area of frame = Area of combination - Area of painting
= (25×20)-(20×16)
=20 (25-16)
=20 × 9
[tex] = 180 {cm}^{2} [/tex]
#$# HOPE YOU UNDERSTAND #$#
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