4 years ago

A = 1/2bh, where A is the surface area and b is the base, and H is the height.

1 answer:

4 0

When height turns to 3 times height or 3h

we can replace h with 3h and see what happens

A=1/2b(3h)
A=3/2bh
A=3(1/2bh)
well, the area is trippled

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-Dominant- [34]

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Read 2 more answers

Construct a quadrilateral ABCD in which AB = 4 cm, BC = 7 cm, angle A = angle C = 105 degree

Lelu [443]

Answer: see attachment

<u>Step-by-step explanation:</u>

Since A = C = 105° and D = 60°,

then A + B + C + D = 360°

105° + B + 105° + 60° = 260°

B + 270° = 360°

B = 90°