Answer:
105
For the 4 triangular faces, find the area with 1/2 × base × height = 1/2 × 5 × 8 = 20
4 triangles -> 20 × 4 = 80
The area of the square base is 25
80 + 25 - 105
Jane will draw one card from the regular deck of 52 cards. In how many ways can she choose a jack or a black card?
2 answers:
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