calculate the areas of the following triangles.
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Area of 1st Triangle
1/2 × base × height
= 1/2 × 4 × 6
= 2 × 6= 12 mm2
1mm2 = 1/ 100 cm2
1/10 mm2 = 12/100 cm2 = 0.12 cm2
Area of 2nd triangle
1/2 × base × height
= 1/2 × 4 ×5
= 2 × 5 = 10mm2 = 0.1 cm2
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