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6 votes
Pls ingore all of the questions below, but help me with the attached image

What is the only number that has the same number of letters as it's meaning? ...
What number doesn't have its own Roman numeral? ...
What is the only even prime number? ...
What is the smallest perfect number? ...
What is our current numerical system based on? ...
Is Pi a rational or irrational number?

Pls ingore all of the questions below, but help me with the attached image What is-example-1

1 Answer

11 votes

Answer:

t = 110°

Explanation:

Triangle BCD is isosceles, so its base angles are congruent. This means m<CBD = m<CDB. Since m<CBD is 35, m<CDB is also 35.

The sum of angles in a triangle is 180, so the following equation can be written:

180 = m<CBD + m<CDB + m<BCD

We can substitute m<CBD and m<CDB with 35 and m<BCD with t and solve:


180 = 35 + 35+ t\\180=70+t\\t=110

So t = 110°

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