In this polygon all angles are right angles What is the area of this polygon
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334 ft²

Step-by-step explanation:

split the polygon into two

Area of A = 21 ft × 7 ft = 147 ft²

Area of B = (21 ft - 10 ft) × (24 ft - 7 ft)

Area of B = 11 ft × 17 ft = 187 ft²

Area of polygon = sum of Areas of A and B

147 ft² + 187 ft² = 334 ft²

idk

step-by-step explanation:

b) 1/3 * 1/5

step-by-step explanation:

each smallest part is 1/15 since the written one is 1/5 and it's divided by 3 equal parts. (1/5 )/3 = 1/15 = 1/3 * 1/5