need answer urgent
Attachments:
Answers
Answered by
0
Step-by-step explanation:
1. perimeter of the triangle = 22+24+28 = 74 cm
area of the triangle = 28×17/2 = 238 cm2
2. 1 cm wire is divided into 4 sides. so each side = 1/4 cm
area of the square = 1/4 × 1/4 = 1/16 cm2
3. L = 12 + 2×3/2 = 15 cm
H = 8 + 2×3/2 = 11 cm
area of the frame = 15×11 - 12×8 = 165-96 = 69 cm2
Similar questions