Home › ICSE Class 9 › mathematics › Pythagoras Theorem › A right triangle has legs of 1 cm each. Its hypo…
A right triangle has legs of 1 cm each. Its hypotenuse is
Asqrt(3) cm
B1 cm
C2 cm
Dsqrt(2) cm
Answer & Solution
Correct answer: D. sqrt(2) cm
1. Apply a^2 + b^2 = c^2 with a = b = 1.
2. c^2 = 1 + 1 = 2.
3. c = sqrt(2) cm.
4. So option A is correct.
_Source: Selina Concise Mathematics Class 9, Ch on Pythagoras Theorem (Mistral OCR'd PDF), section on simple case_
Related questions
In an isosceles right triangle each equal side is 10 cm. The hypotenuse isIf 7, 24 and c are sides of a right triangle with c the hypotenuse, c equalsA wire is bent into a right triangle with legs 5 cm and 12 cm. Total wire isHypotenuse of a right triangle is 17 cm and one leg is 8 cm. Other leg isFind x if sides of a right triangle are 9, x and 15 with 15 the hypotenuse.A rhombus has diagonals 16 cm and 12 cm. The side of the rhombus isTriangle ABC is right-angled at C with BC = 24 cm and AC = 7 cm. AB equalsTwo poles of heights 15 m and 6 m stand 12 m apart. The distance between their tops is