I need help on number 17 and 18 on how to find the area of the figure
2 answers:
Step-by-step explanation:
17 ) Area of triangle = 1/2 × base × height
Area = 1/2 × 12 × 15
Area = 90 cm²
18 ) Area of trapezium = 1/2 (12 + 15.4) × 8
Area = 1/2 × 27.4 × 8
Area = 109.6 cm²
17. Area of triangle: 1/2bh
1/2 * 12 * 15
1/2 * 180
=90 cm^2
18. Area of trapezoid: 1/2 h (b1 + b2)
1/2 * 8 ( 12 + 15.4)
4 * 27.4
= 109.6 cm^2
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