2 years ago

If angle 1 is 110%, what would the other angle

Mathematics

1 answer:

Triss [41]2 years ago

8 0

Answer:

Angle 2 = 110

Angle 3 = 70

Angle 4 = 70

Step-by-step explanation:

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vaieri [72.5K]

Surface area of the pyramid= 4*(area of the triangle) + area of the square

Area of the triangle = (1/2)*base*height=(1/2)*5*5= 25/2 in²
Area of the square = 5*5 =25 in²

Surface area of the pyramid = 4*(25/2) + 25=2*25 + 25=75 in²

3 0

2 years ago

Read 2 more answers

I will mark brainiest whoever answers this correctly

Paladinen [302]

Answer:

k = 3.9

Step-by-step explanation:

Since the three possible outcomes are given. Therefore, the sum of all the probabilities of the three possible outcomes will be equal to one:

$\frac{7}{13} +\frac{1}{k}+ \frac{1}{2k} = 1 \\\\\frac{1}{k} \frac{1}{2k} =1-\frac{7}{13}\\\\\frac{3}{2k} \frac{5}{13}\\\\2k = \frac{(13)(3)}{5}\\\\k = \frac{39}{(5)(2)}\\$