Question 1 Report
In △ △ XYZ, XKZ = 90O, XK = 15cm, XY = 35cm and YK = 8cm. Find the area of △ △ XYZ
320sq.cm
Answer Details
By Pythagoras, KZ2 = 252 - 52
KZ2 = (25 + 15)(25 - 15) = 400
KZ = √400 400 = 20
area of XYZ = 12×28×15 1 2 × 28 × 15
= 210 sq. cm
In the equation below, Solve for x if all the numbers are in base 2: \(\frac{11}{x} = \frac{1000}{x+101}\)
Write h in terms of a, b, c, d if \(a = \frac{b(1-ch)}{a-dh}\)
Find x if log9x = 1.5
Find the values of p for which the equation x2 - (p - 2)x + 2p + 1 = 0
Find correct to two decimals places \(100 + \frac{1}{100} + \frac{3}{1000} + \frac{27}{10000}\)
John gives one-third of his money to Janet who has ₦105.00. He then finds that his money is reduced to one-fourth of what Janet now has. Find how much money ...
22\( \frac{1}{2} \)% of the Nigerian Naira is equal to 17\( \frac{1}{10} \)% of a foreign currency M. What is the conversion rate of the M to the Naira?
If three numbers P, Q, R are in ratio 6 : 4 : 5, find the value of \( \frac{3p-q}{4q+r} \)
Everything you need to excel in JAMB, WAEC & NECO