Answer:
The answer is b
Step-by-step explanation:
Area of a triangle is 1/2 x base x height:
Area = 1/2 x 8 x 20.5 = 82 square cm.
It is hone-half the area of a rectangle with dimensions 20.5 by 8 cm.
Mult. 536 by 410. Hold the 0 for now and mult your final answer by 10.
Mult 536 by 41: The first partial product is (536)(1) = 536.
The second is (536)(4) = 2144.
Align these partial products as follows:
536
2144
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219760 (we held that final 0, remember?)