book Maths Puzzle Numerical Ability

what is the lateral and surface area of a regular pyramid with legs the equal 5 and a one base side that equals 6

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book Other Question

Juan has 15 pennies and 8 more nickles than dimes. He has 51 coins in all. How many dimes does he have? Solve the following problem and include your steps you use to solve this problem.
A roof truss is in the shape of a triangle with a height of x feet and a base of 2x + 1 feet. Wri