WORKED EXAMPLES

Mathematics

1 answer:

Vadim26 [7]3 years ago

3 0

Answer:

M<C = 20°

Step-by-step explanation:

Because they’re vertical angles, that means they’re equal to each other so:

m<C = m<D

x = -3x + 80

x + 3x = 80

4x = 80

x = 20

Since m<C equals x, that means m<C is 20°

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frez [133]

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starting at 48 (this is obvious)

so finally,
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Wewaii [24]

Answer:

Option (D)

Step-by-step explanation:

Surface area of a square pyramid is determined from the formula,

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