When a rectangular pentagon is created using the five congruent isosceles triangles as in the given condition, the base angle of one of the triangles will be 54°.
<h3>What is an isosceles triangle?</h3>
A triangle, whose two sides have equal length and one side is of different length, is known as an isosceles triangle.
Hence, option A holds true regarding the base angle of one of the isosceles triangle.
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Answer:
1. Compaction occurs where pressure is placed on loosely packed sediment. The volume of the sediment is reduced and water is squeezed out.
2. Cementation occurs when mineral-bearing water circulates among the grains, hardens, and cements the sediment grains together. This process is most effective when lithifying sand and gravel-sized sediments.
Explanation: