Quiz A — first attempt
10 questions · Outcome AB-G9-9M2.1/9M2.2Instant feedback: onNo hints in quizzes — by designMastery: ≥8/10 + gates Q8 & Q10 · Badge: Composite SolidsQuestion 1 of 10 · 0 correct so far
Difficulty: Medium
Short answer
A step block: bottom prism 9 cm long x 5 cm deep x 4 cm high; top prism 4 cm long x 5 cm deep x 3 cm high, sitting on top at one end, flush on that end and front-to-back. Find the surface area.
Fractions like 1 1/2, 9/6 and 3/2 are all accepted where they're equal.
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