√6²+8²= ³√125a³work out the value of a.
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Answer:
<h2>L.A. = 384 cm²</h2><h2>S.A. = 640 cm²</h2>Step-by-step explanation:
We have four congruent triangles with base b = 16cm and height h = 12cm.
The formula of an area of a triangle:
Substitute:
The latearal area:
For the surface area we need the area of a base.
The base is a square with side a = 16cm.
The area of the base:
The surface area: