D is the answer
explanation
Answer:
c2 = a2 + b2
plug in the values, and you get 42 cm.
Answer:
x = 15 in
you can use the Pythagorean Theorem because you know the legs of the triangle and need to find the hypotenuse
the left leg of the triangle is 9 because 9² = 81
the bottom leg of the triangle is 12 because 48/4 = 12
9² + 12² = x²
81 + 144 = x²
225 = x²
√225 = x
Step-by-step explanation:
Answer:
22.5
Step-by-step explanation:
25% of 90 = 25/100 × 90
= 1/4 × 90 = 90/4 = 45/2 = 22 1/2 or 22.5