What is the perimeter of the triangle?
unit

Step-by-step explanation:

Hey, i can't view the boxes well.

Count the boxes the trangle intersects in the base and use it as your base.

find the same with height.

After that find their Hypotenuse using the Pythagoras theory.

Then find the perimeter of the triangle by adding the two hypotenuse and base.

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step-by-step explanation:

hello,

b) 62.47% of the students are between 14 and 18 years old.

step-by-step explanation:

mean = 15 and standard deviation = 2

student between 14 to 18

formula used z-score

for age 14 , z score

using z-table , p(z> -0.5)=0.3085

for age 18 , z score

using z-table , p(z< 1.5)=0.9332

p(-0.5< z< 1.5)=0.9332-0.3085 = 0.6247

thus, 62.47% of the students are between 14 and 18 years old.

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