When the triangle is a right triangle, you can use the Pythagorean theorem. The formula would be
c^2 = a^2 + b^2
If a = 21 and c=29, thus
b^2 = c^2 - a^2
b^2 = 29^2 - 21^2
b^2 = 400
b = square root (400)
b = 20 units.
Thus, the answer is <span>D) B = 400</span>
Angles and sides
meaning the length of the sides of the triangle and all the angles <span />
Answer:
C
Step-by-step explanation:
"per cent" means out of hundred, so it's 70 out of hundred.
